掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/jog.16082

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Vaginal trachelectomy, which involves resecting the cervix and its parametrium, is a fertility-sparing option for the treatment of early-stage cervical cancer. Although no consensus has been reached on whether simple or radical trachelectomy is preferable, the vaginal approach is typically avoided for tumors larger than 2 cm due to concerns about recurrence. However, some evidence suggests that fertility preservation may still be viable for select patients with larger tumors. This case report describes a woman with bulky cervical cancer who wished to preserve her fertility. After undergoing neoadjuvant chemotherapy (NAC) and vaginal radical trachelectomy (VRT), she achieved a favorable oncological and perinatal outcome, successfully giving birth to a near-full-term baby. The report outlines the patient's management before, during, and after the procedure, including perinatal care. While careful selection of candidates is crucial, accumulating case reports and future trials are expected to shed more light on this treatment approach.

DOI： 10.7759/cureus.71626

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To evaluate the long-term efficacy and safety of niraparib in Japanese women with heavily pretreated ovarian cancer. METHODS: This was the follow-up analysis of a phase 2, multicenter, open-label, single-arm study in Japanese women with homologous recombination-deficient, platinum-sensitive, relapsed, high-grade serous epithelial ovarian, fallopian tube, or primary peritoneal cancer who had completed 3-4 lines of chemotherapy and were poly(ADP-ribose) polymerase inhibitor naïve. Participants received niraparib (starting dose, 300 mg) once daily in continuous 28-day cycles until objective disease progression, unacceptable toxicity, or consent withdrawal. The primary endpoint was confirmed objective response rate (ORR), as assessed using Response Evaluation Criteria in Solid Tumors version 1.1. Safety evaluations included treatment-emergent adverse events (TEAEs). RESULTS: 20 patients were enrolled in the study and included in both efficacy and safety analyses. Median total study duration was 759.5 days. Median dose intensity was 201.3 mg/day. Confirmed ORR was 60.0% (90% confidence interval [CI]=39.4-78.3); 2 patients had complete response and 10 patients had partial response. Median duration of response was 9.9 months (95% CI=3.9-26.9) and the disease control rate was 90.0% (95% CI=68.3-98.8). The most common TEAEs were anemia (n=15), nausea (n=12), and decreased platelet count (n=11). TEAEs leading to study drug dose reduction, interruption, or discontinuation were reported in 16 (80.0%), 15 (75.0%), and 2 patients (10.0%), respectively. CONCLUSION: The long-term efficacy and safety profile of niraparib was consistent with previous findings in the equivalent population in non-Japanese patients. No new safety signals were identified. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03759600.

DOI： 10.3802/jgo.2024.35.e114

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: This study evaluated the association between programmed cell death-ligand 1 (PD-L1) and prognosis in patients with cervical cancer treated with postoperative radiation and the impact of neoadjuvant chemotherapy (NAC) on this association. PATIENTS AND METHODS: Immunohistochemical analysis was performed on biopsy specimens from 42 patients who did not receive NAC and from paired samples before (biopsies) and after (resected tissues) chemotherapy from 46 patients who received NAC to determine the association of PD-L1 with radiotherapy outcomes. RESULTS: In the non-NAC group, patients with ≥10% PD-L1-expressing tumor cells prior to treatment had better recurrence-free survival (RFS) than those with <10% PD-L1-expressing tumor cells (p=0.001). In the NAC group, RFS was significantly lower (p=0.005) in the group with a ≥5% reduction of PD-L1 expression in tumor cells after chemotherapy than in those with <5% reduction. In multivariate analysis, only PD-L1 expression (non-NAC group) and the change in PD-L1 expression (NAC group) were associated with RFS. CONCLUSION: Low PD-L1 expression in a cervical tumor prior to treatment was identified as a risk factor for a poor outcome after postoperative radiotherapy. Furthermore, NAC induces an immunological shift that reduces PD-L1 levels in tumor cells, thereby negatively impacting treatment outcomes.

DOI： 10.21873/anticanres.17121

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The bicellular tight junction molecule cingulin (CGN) binds to microtubules in centrosomes. Furthermore, CGN contributes to the tricellular tight junction (tTJ) proteins lipolysis-stimulated lipoprotein receptor (LSR) and tricellulin (TRIC). CGN as well as LSR decreased during the malignancy of endometrioid endometrial cancer (EEC). Although tTJ protein LSR is involved in the malignancy of some cancers, including EEC, the role of CGN is unknown. In this study, we investigated the roles of CGN with tTJ proteins in human EEC cells by using the CGN-overexpressing EEC cell line Sawano. In 2D cultures, CGN was colocalized with LSR and TRIC at tTJ or at γ-tubulin-positive centrosomes. In immunoprecipitation with CGN antibodies, CGN directly bound to LSR, TRIC, and β-tubulin. Knockdown of CGN by the siRNA decreased the epithelial barrier and enhanced cell proliferation, migration and invasion, as well as knockdown of LSR. In the Sawano cells cocultured with normal human endometrial stromal cells, knockdown of CGN decreased expression of LSR and TRIC via MAPK and AMPK pathways. In 2.5D cultures, knockdown of CGN induced the formation of abnormal cysts and increased the permeability of FD-4 to the lumen. In 2D and 2.5D cultures, treatment with β-estradiol with or without EGF or TGF-β decreased CGN expression and the epithelial permeability barrier and enhanced cell migration, and pretreatment with EW7197+AG1478, U0126 or an anti-IL-6 antibody prevented this. In conclusion, CGN, with tTJ proteins might suppress the malignancy of human EEC and its complex proteins are sensitive to estrogen and growth factors derived from stromal cells.

DOI： 10.1080/21688370.2024.2361976

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

New robot models, such as hinotori™, da Vinci SP™, and Hugo™, have been introduced in Japan. This study examined the surgical outcomes of these models in patients from the initial stages of their introduction to the present day.We retrospectively reviewed 36 patients with endometrial cancer or benign gynecologic disease, who underwent robotic hysterectomy using da Vinci SP™, hinotori™, or Hugo™ between March 2023 and March 2024.Robotic hysterectomy was performed using hinotori™ in 10 patients, da Vinci SP™ in 16 patients, and Hugo™ in 10 patients. No significant differences were observed in the characteristics of the patients subjected to surgery using these models. The total operative time was 123.0 min (93-144 min) for hinotori™, 95.0 min (79-165 min) for da Vinci SP™, and 98.5 min (74-177 min) for Hugo™. The total operative time of hinotori™ was significantly longer than that of the other two models (p = 0.031). No differences were observed among the robot systems with respect to complications during or after surgery and the intensity of postoperative pain.Differences in the surgical time were noted depending on the model used. It has been proven that surgeons who are already proficient in performing robotic surgery with da Vinci Xi™ can safely perform surgeries with the new models.

DOI： 10.1007/s13304-024-01891-7

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Objectives: This study aimed to evaluate and compare the feasibility and outcomes of two robotic hysterectomy (da Vinci Xi™ vs. da Vinci SP™) systems without lymph node dissection in patients with early-stage endometrial cancer, and assess the postoperative recurrence rate and overall survival of patients. Methods: A retrospective review of 84 patients who underwent robotic hysterectomy for endometrial cancer (stage 1A) was conducted. Surgical procedures, patient characteristics, intraoperative measures, and postoperative outcomes were statistically analyzed. A single gynecologist performed all surgeries. Results: Patient characteristics, average age, and body mass index showed no significant differences between the two models. The total operative time was significantly shorter with da Vinci SP™. Recurrence was identified in only one patient operated on with da Vinci Xi™. All patients were alive during analysis, with a median overall survival of 38 and 9 months for da Vinci Xi™ and da Vinci SP™, respectively. Conclusions: Robotic hysterectomy without lymph node dissection appears to be a safe and effective approach for patients with early-stage endometrial cancer. The da Vinci SP offers the advantage of shorter operative times than the da Vinci Xi™. These findings support the consideration of robotic surgery as a viable option for selected patients.

DOI： 10.3390/jcm13102864

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The application of deep learning algorithms to predict the molecular profiles of various cancers from digital images of hematoxylin and eosin (H&E)-stained slides has been reported in recent years, mainly for gastric and colon cancers. In this study, we investigated the potential use of H&E-stained endometrial cancer slide images to predict the associated mismatch repair (MMR) status. H&E-stained slide images were collected from 127 cases of the primary lesion of endometrial cancer. After digitization using a Nanozoomer virtual slide scanner (Hamamatsu Photonics), we segmented the scanned images into 5397 tiles of 512 × 512 pixels. The MMR proteins (PMS2, MSH6) were immunohistochemically stained, classified into MMR proficient/deficient, and annotated for each case and tile. We trained several neural networks, including convolutional and attention-based networks, using tiles annotated with the MMR status. Among the tested networks, ResNet50 exhibited the highest area under the receiver operating characteristic curve (AUROC) of 0.91 for predicting the MMR status. The constructed prediction algorithm may be applicable to other molecular profiles and useful for pre-screening before implementing other, more costly genetic profiling tests.

DOI： 10.3390/cancers16101810

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本生殖医学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本女性医学学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

It is known that there are abnormalities of tight junction functions, cell migration and mitochondrial metabolism in human endometriosis and endometrial carcinoma. In this study, we investigated the effects of growth factors and their inhibitors on the epithelial permeability barrier, cell migration and mitochondrial metabolism in 2D and 2.5D cultures of human endometrioid endometrial carcinoma Sawano cells. We also investigated the changes of bicellular and tricellular tight junction molecules and ciliogenesis induced by these inhibitors. The growth factors TGF-β and EGF affected the epithelial permeability barrier, cell migration and expression of bicellular and tricellular tight junction molecules in 2D and 2.5D cultures of Sawano cells. EW-7197 (a TGF-β receptor inhibitor), AG1478 (an EGFR inhibitor) and SP600125 (a JNK inhibitor) affected the epithelial permeability barrier, cell migration and mitochondrial metabolism and prevented the changes induced by TGF-β and EGF in 2D and 2.5D cultures. EW-7197 and AG1478 induced ciliogenesis in 2.5D cultures. In conclusion, TGF-β and EGF promoted the malignancy of endometrial cancer via interplay among the epithelial permeability barrier, cell migration and mitochondrial metabolism. EW-7197 and AG1478 may be useful as novel therapeutic treatments options for endometrial cancer.

DOI： 10.1080/21688370.2024.2304443

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掲載種別：研究論文（学術雑誌）  

DOI： 10.3802/jgo.2024.35.e115

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掲載種別：研究論文（学術雑誌）  

DOI： 10.3802/jgo.2024.35.e112

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Uterine metastases from extragenital sites are rare. We present a case of a woman who had undergone surgery for small intestinal cancer and subsequently developed metastases in her left ovary and uterus. A nulliparous woman in her 50s underwent laparoscopic partial small bowel resection with lymph node dissection for small intestinal cancer. Five months later, computed tomography (CT) revealed a left ovarian tumor and ascites. She underwent bilateral adnexectomy and adjuvant chemotherapy, and the ovarian tumor was diagnosed as a small intestinal cancer metastasis. Two years after the small intestinal cancer surgery, a positron emission tomography (PET)-CT scan revealed a uterine accumulation. Cervical cytology was negative for intraepithelial lesion or malignancy. Endometrial histology showed an adenocarcinoma of the uterus. The patient underwent total abdominal hysterectomy followed by adjuvant chemotherapy. Histopathology and immunohistochemistry of the uterine tumor revealed that it was a metastasis of small intestinal cancer (Cytokeratin 7 [CK7] [-], Cytokeratin 20 [CK20] [+], Special AT-Rich Sequence-Binding Protein 2 [SATB2] [+], Paired Box Gene 2 [PAX2] [-], and estrogen receptor [ER] [-]). In patients with cancer, histopathology and immunohistochemistry are important for distinguishing between primary and metastatic tumors and for guiding the choice of treatment.

DOI： 10.1155/2024/8551816

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：英語  

A uteroperitoneal fistula (UPF) is a rare disorder that can lead to infertility and has never been reported. UPFs can cause infertility and perinatal complications. A 34-year-old woman (gravida 0) with a history of three gynecological surgeries using a uterine manipulator was diagnosed with a UPF using hysteroscopy and hysterosalpingography. She underwent laparoscopic uterine repair as an infertility treatment. The uterine perforation may have been caused by uterine manipulator insertion or suture failure in the myometrium during her previous laparoscopic myomectomy and cystectomy procedures. The UPF disappeared after the current surgical treatment. The complications of UPFs include infection, infertility, ectopic pregnancy, and uterine rupture. We expected that the presence of a fistula would increase the risk of impaired fertilization, implantation failure, and ectopic pregnancy. This case report contributes valuable insights into the diagnosis of UPFs and their laparoscopic repair.

DOI： 10.7759/cureus.51064

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

Abstract

Background

Endometrial cancer (EC) is one of the leading causes of cancer death among women and early detection is crucial for its successful treatment. We previously showed that cytological examination combined with genetic analysis using liquid-based cytology (LBC) samples improved the diagnostic sensitivity of EC.

Methods

Among 218 individuals who underwent endometrial screening by LBC, 208 samples were analysed by cancer-panel sequencing. Excluding 13 samples with low sequence coverage, we further analysed 195 samples.

Results

Among the 195 women analysed, 39 and 15 were eventually shown to suffer from malignant endometrial and non-endometrial neoplasms, respectively. Driver mutation(s) were found in nine of the 15 cytology-negative patients with endometrial malignancy, corroborating that combination of cytological and genetic analyses should increase the sensitivity of the diagnosis of malignant endometrial neoplasms. Importantly, driver alterations were found in 32 of 125 women without malignant or premalignant diseases, which raises caution for the interpretation of genetic alterations detected in the endometrial samples. Comparison between the driver mutations in the 32 subjects and those in the 29 endometrial malignancies unveiled that the number of mutations and mutations in PTEN, CTNNB1, and TP53 may be applied for the assessment and prediction of development of EC.

Conclusions

The genetic analysis combined with liquid-based cytology is useful to improve the diagnostic sensitivity of endometrial neoplasms. However, caution must be taken when cancer-associated mutation(s) are detected in the genetic analysis. Further investigation may clarify the risk of malignant endometrial neoplasms in women with driver mutation(s).

その他リンク： https://www.nature.com/articles/s44276-023-00020-y

DOI： 10.1038/s44276-023-00020-y

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記述言語：日本語   出版者・発行元：金原出版(株)  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Human papillomavirus (HPV) can cause various gynecological diseases, create a long-term inflammatory immune microenvironment, and induce the occurrence of cervical tumors. However, the prevalence of HPV is species-specific in different eras or in different countries and regions. This paper aimed to investigate the characteristics of HPV infection in the Xuhui District, Shanghai City, China. METHODS: We collected HPV data from 6,760 female testers, focusing on the younger population for data analysis. We focused more on the HPV subtypes to which young women were susceptible, performed t-Distributed Stochastic Neighbor Embedding (TSNE) analysis to screen for characteristic subtypes, and compared the prevalent subtypes lacking effective vaccine protection. RESULTS: HPV infection exhibited a trend of affecting a younger population, and eight subtypes were more likely to occur in young people. HPV43, 51, 53, and 59 showed a higher incidence and lacked vaccine protection. We performed TSNE dimensionality reduction analysis to organize the HPV data. The results indicated that HPV16, 18, and 51 are characteristic subtypes in the younger population. The Thinprep cytologic test (TCT) also revealed that the infection with HPV43, 51, 53, and 59 also triggers significant pathological phenotypes. CONCLUSIONS: HPV51 is a subtype that occurs more frequently in young women, can induce a variety of significant pathological features, and lacks effective vaccine protection. This study inspires us to take measures to deal with HPV rejuvenation and conduct research on vaccines for specific HPV subtypes.

DOI： 10.21037/tcr-23-1491

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1245/s10434-023-14005-1

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Primary lung tumors are sometimes resected when either pleural dissemination (PD) or malignant pleural effusion (MPE) exists. This study clarified the prognostic factors for non-small cell lung cancer (NSCLC) with either PD and MPE, or both, detected during or after surgery. PATIENTS AND METHODS: We examined patients with NSCLC from a multicenter database who had either PD, MPE, or both, detected during or after surgery between 2005 and 2015. Hazard ratios and 95% confidence intervals were estimated using the Cox proportional hazards model adjusted for potential confounding factors. RESULTS: Among 9463 registered patients, PD, MPE, or both, were found in 114 patients with NSCLC during or after surgery. Primary tumor resection and exploratory thoracotomy were performed in 65 and 49 patients, respectively. In univariate analysis, adenocarcinoma, clinically undetected lymph node metastasis (c-N0 or unknown), EGFR mutation, and combination of chemotherapy or tyrosine kinase inhibitors after surgery were better prognostic factors for overall survival (OS), whereas in the multivariate analysis, adenocarcinoma, clinically undetected lymph node metastasis, and EGFR mutation were favorable independent prognostic factors in OS. Additionally, limited to patients with EGFR mutation, patients with primary lung tumor resection showed a significantly better 5-year OS than those with exploratory thoracotomy (86.4 vs. 44.8%; p < 0.001). CONCLUSION: Our findings show that surgical resection of primary tumors could improve the prognosis of patients with PD, MPE, or both, detected during or after surgery when the tumors harbor an EGFR mutation.

DOI： 10.1245/s10434-023-13791-y

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記述言語：日本語   出版者・発行元：(一社)日本臓器保存生物医学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To examine the prevalence trends of minimally invasive hysterectomy for benign indications in Japan and investigate regional disparities. STUDY DESIGN: A retrospective cohort and ecological study using "The National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB) Open Data". SETTING: Nationwide Japan. PATIENTS: Individuals who underwent hysterectomy for benign indications from 2014 to 2020. INTERVENTIONS: Trend analysis of minimally invasive surgery (MIS) rates through laparoscopic hysterectomies (LH) and robotic-assisted laparoscopic hysterectomies (RA-LH) at the national and prefecture levels. Examination of regional factors contributing to the disparity in MIS implementation rates by second medical service area (SMSA). RESULTS: The number of LH has increased from 16,016 in 2014 to 27,755 in 2020. The nationwide MIS hysterectomy rate increased from 29% in 2014 to 55% in 2020 (p less than 0.001). More than 50% of hysterectomies have been performed as MIS since 2019. There was an increasing trend in MIS rates in all age groups. All prefectures except one showed a significant upward trend (p less than 0.05) in the MIS rates, but MIS rates varied widely (23-84%). In a multivariable model, the MIS was more likely to be performed in the SMSAs in western Japan (p = 0.011), in the SMSAs where the number of laparoscopy-qualified gynecologists is 5-10 (p = 0.013), and 11 or higher (p less than 0.001). CONCLUSIONS: This study reveals a shift towards minimally invasive surgery (MIS) in total hysterectomy procedures in Japan. However, significant disparities in the prevalence of MIS hysterectomy exist, potentially influenced by the number of laparoscopy-qualified gynecologists.

DOI： 10.1016/j.ejogrb.2023.08.388

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Patients with a history of cesarean section and a highly adherent bladder may have difficulty in bladder dissection and may suffer damage. It may also be difficult to orient the patient for repair in the event of damage. In such cases, dissection from the side between the bladder and cervix is a good way to avoid complication. This video reviews the steps of the HUBB technique procedure, provides tips and tricks for performing a successful adhesiolysis, and illustrates the procedure's adaptability. The first is the identification of the uterine artery and its position. Step2, a Laparoscopic retrovesical lower uterine segment bypass is created. Step3 a Hung Up the Bladder Bypass is created, the bladder is completely dissected. Step4, an adhesiolysis and leak test is performed. In this report, we would like to introduce a technique for creating a retrovesical lower uterine segment bypass using a laparoscope and traction on the bypass to dissect the bladder.

DOI： 10.1016/j.jogoh.2023.102629

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本医学教育学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To show how endoCUT (COMPANY, CITY, STATE, COUNTRY) mode can be safely managed with cervical conization. METHODS: Demonstration of the technique and explanation of endoCUT and soft coagulation mode with narrated video footage. Cervical conization is a therapeutic and diagnostic procedure performed for the diagnosis of cervical intraepithelial lesions and cervical cancer. Specific methods include cold scalpel, ultrasonically activated device and laser, and loop electrosurgical excision procedure (LEEP), which involves transpiration and partial excision. The endoCUT mode and soft coagulation in VIO3 (COMPANY, CITY, STATE, COUNTRY) were used to perform cervical conical resection safely and at low cost (Fig. 1). The endoCUT mode was originally developed for polypectomy in gastrointestinal endoscopy, where no counter traction can be applied [1,2]. RESULTS: The endoCUT mode approach to cervical conization with several key strategies to minimize blood loss and ensure safety: 1) incisions can be made in close contact; 2) resection can be performed with minimal contact with the lesion; 3) control of bleeding from the resected transection by soft coagulation; and 4) low running cost of endoCUT mode. CONCLUSION: Conventionally, cervical conical resection has been performed by using a device capable of making a close incision (cold scalpel, ultrasonically activated device and laser, and LEEP etc.), but there have been issues with bleeding control and cost. Here, we present a new technique using the endoCUT mode and several strategies for safe and effective resection.

DOI： 10.5468/ogs.23066

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語  

Uterine leiomyosarcoma (LMS) is a gynecological malignancy with an extremely poor prognosis. Multiple new therapeutic agents, including pazopanib, trabectedin, and eribulin, have been clinically applied to treat uterine LMS, and their therapeutic effects are expected. We encountered one patient with advanced recurrent uterine LMS who achieved a partial response to a four-year treatment with eribulin. A 31-year-old woman was diagnosed with stage 2B LMS. After the first recurrence, Gemcitabine, Docetaxel (GD) therapy was administered, and complete response (CR) was achieved. However, 2 years and 10 months later, recurrence occurred at the vaginal cuff, and GD therapy and doxorubicin hydrochloride were administered, resulting in CR. Five months later, she experienced another recurrence at the same location and was treated with eribulin. To date, 53 courses of eribulin have been administered and are currently ongoing. Maintaining low neutrophil-to-lymphocyte ratio and low platelet-to lymphocyte ratio in this manner is considered to be one of the reasons why eribulin continues to be effective. We encountered a rare case in which eribulin was administered for the longest period of time, and produced an observable effect in uterine LMS.

DOI： 10.1016/j.gore.2023.101205

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本周産期・新生児医学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本医療情報学会  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本医療情報学会  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：金原出版(株)  

その他リンク： https://search.jamas.or.jp/default/link?pub_year=2023&ichushi_jid=J00535&link_issn=&doc_id=20230526150019&doc_link_id=10.18888%2Fsp.0000002559&url=https%3A%2F%2Fdoi.org%2F10.18888%2Fsp.0000002559&type=%E5%8C%BB%E6%9B%B8.jp_%E3%82%AA%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00024_2.gif

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Since the National Cancer Institute (NCI) alert of concurrent chemoradiotherapy, radiotherapy has been changed from external beam radiotherapy plus brachytherapy to platinum-based concurrent chemoradiotherapy. Therefore, concurrent chemoradiotherapy plus brachytherapy has become a standard treatment for locally advanced cervical cancer. Simultaneously, definitive radiotherapy has been changed gradually from external beam radiotherapy plus low-dose-rate intracavitary brachytherapy to external beam radiotherapy plus high-dose-rate intracavitary brachytherapy. Cervix cancer is uncommon in developed countries; hence, international collaborations have been critical in large-scale clinical trials. The Cervical Cancer Research Network (CCRN), created from the Gynecologic Cancer InterGroup (GCIG), has investigated various concurrent chemotherapy regimens and sequential methods of radiation and chemotherapy. Most recently, many clinical trials of combining immune checkpoint inhibitors with radiotherapy have been ongoing for sequential or concurrent settings. During the last decade, the method of standard radiation therapy has changed from three-dimensional conformal radiation therapy to intensity-modulated radiation therapy for external beam radiotherapy and from two-dimensional to three-dimensional image-guided approaches for brachytherapy. Recent improvements include stereotactic ablative body radiotherapy and MRI-guided linear accelerator (MRI-LINAC) using adaptive radiotherapy. Here we review the current progress of radiation therapy during the last two decades.

DOI： 10.1136/ijgc-2022-004230

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We report selected insufflation technique using direct bronchial insufflation to visualize the intersegmental plane during total thoracoscopic segmentectomy. Following the transection of the bronchus using a stapler, a small incision was created in the dissected target bronchus, and direct air insufflation was performed at the small incision site. The target segment was inflated, while the preserved segments appeared to collapse, and a demarcating line was visualized between the inflated and deflated lung parenchyma. This technique quickly identifies the anatomic intersegmental plane without warranting special equipment such as jet ventilation or indocyanine green (ICG). Furthermore, this method saves time in creating inflation-deflation lines.

DOI： 10.1093/icvts/ivad054

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: One cause of the increase in cervical cancer rates in Japan is the long-term stagnation in the cervical cancer screening consultation rate. Therefore, improving the screening consultation rate is of urgent concern to reduce cervical cancer incidence. Self-collected human papilloma virus (HPV) tests have been successfully adopted in several countries, such as the Netherlands and Australia, as a measure of individuals who have not undergone cervical cancer screening in national programs. This study aimed to verify whether self-collected HPV tests presented an effective countermeasure for individuals who had not undergone the recommended cervical cancer screenings. METHODS: This study was conducted from December 2020 to September 2022 in Muroran City, Japan. The primary evaluated endpoint was the percentage of citizens who underwent cervical cancer screening at a hospital with positive self-collected HPV test results. The secondary endpoint was the percentage of included participants who were diagnosed with cervical intraepithelial neoplasia (CIN) or higher among those who visited a hospital and underwent cervical cancer screening. RESULTS: The included study participants were 7,653 individuals aged 20-50 years with no record of previous cervical cancer examination in the past 5 years. We mailed these participants information on self-administered HPV tests as an alternative screening procedure and sent the kit to 1,674 women who requested the test. Among them, 953 returned the kit. Among the 89 HPV-positive individuals (positive rate, 9.3%), 71 (79.8%) visited the designated hospital for an examination. A closer examination revealed that 13 women (18.3% of hospital visits) had a CIN finding of CIN2 or higher, among whom one each had cervical cancer and vulvar cancer, eight presented with CIN3, and three presented with CIN2; two cases of invasive gynecologic cancer were also identified. CONCLUSIONS: We conclude that the self-collected HPV tests showed a certain efficacy as a measure of individuals who had not undergone the recommended cervical cancer screening. We devised ways to have the unexamined patients undergo HPV testing and ensure that HPV-positive individuals visited the hospital. Despite a few limitations, our findings suggest the effectiveness of this public health intervention.

DOI： 10.1186/s12889-023-15402-7

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: Ipsilateral reoperation after pulmonary lobectomy is often challenging because of adhesions from the previous operation. We retrospectively examined the surgical outcome and prognosis of ipsilateral anatomical resection for lung cancer after pulmonary lobectomy using a multicentre database. METHODS: We evaluated the perioperative outcomes and overall survival of 51 patients who underwent pulmonary lobectomy followed by ipsilateral anatomical resection for lung cancer between January 2012 and December 2018. In addition, patients with stage I non-small-cell lung cancer (NSCLC) were compared with 3411 patients with stage I lung cancer who underwent pulmonary resection without a prior ipsilateral lobectomy. RESULTS: Ipsilateral anatomical resections included 10 completion pneumonectomies, 19 pulmonary lobectomies and 22 pulmonary segmentectomies. Operative time was 312.2 ± 134.5 min, and intraoperative bleeding was 522.2 ± 797.5 ml. Intraoperative and postoperative complications occurred in 9 and 15 patients, respectively. However, the 5-year overall survival rate after anatomical resection followed by ipsilateral lobectomy was 83.5%. Furthermore, in patients with c-stage I NSCLC, anatomical resection followed by ipsilateral lobectomy was not associated with worse survival than anatomical resection without prior ipsilateral lobectomy. CONCLUSIONS: Anatomical resection following ipsilateral lobectomy is associated with a high frequency of intraoperative and postoperative complications. However, the 5-year overall survival in patients with c-stage I NSCLC who underwent ipsilateral anatomical resection after pulmonary lobectomy is comparable to that in patients who underwent anatomical resection without prior pulmonary lobectomy.

DOI： 10.1093/ejcts/ezad048

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本がん・生殖医療学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：英語  

A 40-year-old man was admitted with a diagnosis of COVID-19 pneumonia. Although most of multiple ground-glass opacities and consolidations on computed tomography improved, a round ground-glass opacity with consolidation remained unchanged and was suspected to be a part-solid nodule of lung adenocarcinoma. Pathologic diagnosis of resected tumor was papillary adenocarcinoma.

DOI： 10.1002/ccr3.6859

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Traditional surgical training techniques with using patients, and new advances with live animals, artificial models, and simulation methods have several shortcomings. There are a few reports on the usefulness of cadaver surgery training (CST) in gynecology. Herein, we used a mixed-method evaluation to qualitatively and quantitatively explore the educational efficacy of CST by conducting CST programs at the Sapporo Medical University, Japan. METHODS: In 2020, we conducted two CST programs with 45 participants-13 residents, 8 specialists recognized by Japan Society of Obstetrics and Gynecology, 23 certified endoscopists recognized by Japan Society of Gynecology and Obstetrics Endoscopy and Minimally Invasive Therapy, 15 specialists recognized by Japan Society of Gynecologic Oncology, and 14 certified endoscopists cum oncology. Three participants observed the procedure virtually and 42 were physically present. Laparoscopic radical hysterectomy and pelvic exenteration were performed on five Thiel-embalmed cadavers. Participants were asked to complete pre- and post-training surveys that included qualitative questions, concerning the purpose and cost of CST, and quantitative questions, testing anatomical knowledge. RESULTS: We observed that the rate of score improvement to the quantitative questions increased from 58.6% pre-CST to 75.6% post-CST. Furthermore, oncology specialists and those who performed more surgeries and faced more complications during surgeries recorded high percentage of correct answers. Multiple regression analysis statistically confirmed these results. CONCLUSIONS: This study confirmed the educational efficacy of CST.

DOI： 10.1111/jog.15424

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Resistance of cervical cancer to radiotherapy with concurrent chemotherapy (CCRT) results in a poor prognosis. To identify new biomarkers for predicting the treatment response and prognosis, we explored exosomal microRNA (miRNA) expression signatures associated with the outcome of cervical cancer patients treated with CCRT. Exosomes were isolated from the plasma of 45 patients prior to CCRT during 2014-2020, and miRNA analysis was performed by next-generation sequencing. At a median follow-up of 38 months, 26 patients were recurrence free, 15 patients had died of the disease, and 4 patients received salvage chemotherapy due to distant metastasis. Of the 2522 miRNAs detected, 9 (miR-148a-5p, 1915-3p, 3960, 183-5p, 196b-5p, 200c-3p, 182-5p, 374a-5p, and 431-5p) showed differential expression between the recurrence-free and recurrence groups. Patients were divided into high- and low-risk groups according to the cutoff of the miRNAs-based risk score calculated from respective expression levels. The high-risk group had significantly worse disease-specific survival than the low-risk group (p < 0.001). In addition, miR-374a-5p and miR-431-5p expression showed a weak inverse correlation with tumor-infiltrating CD8+ and FOXP3+ T cells, suggesting a potential inhibitory effect on CCRT by suppressing tumor immunity. This miRNA signature could improve non-invasive monitoring and personalized treatment for cervical cancer.

DOI： 10.1007/s00795-022-00338-5

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Human papillomavirus (HPV) testing using self-collected vaginal samples and urine samples is convenient and effective for improving the screening rate. But, to serve as an alternative cervical cancer screening technique, such tests must offer sensitivity equivalent to the HPV testing of physician-collected cervical samples. To examine the effectiveness of HPV testing using self-collected samples and urine samples, we compared the results of HPV testing using these samples with those of HPV testing using physician-collected samples and cytological examinations. METHODS: The study population included 300 women (age: 20-50 years) with abnormal cervical cytology. The results of HPV testing using self-collected samples and urine samples and physician-collected samples and cervical cytology were compared. RESULTS: For all HPV types, the κ-value was 0.773 for physician- and self-collected samples and 0.575 for physician-collected and urine samples. The κ-value for HPV type 16-positive samples was 0.988 for physician- and self-collected samples and 0.896 for physician-collected and urine samples. The κ-value for HPV type 18-positive samples was 0.856 for physician- and self-collected samples and 0.831 for physician-collected and urine samples. For other HPV types, the value was 0.809 for physician- and self-collected samples and 0.617 for physician-collected and urine samples. CONCLUSIONS: The obtained results were consistent between physician- and self-collected samples as well as between physician-collected and urine samples. Considering that the agreement rate was particularly high for the high-risk HPV types 16 and 18, HPV testing using physician-collected samples, self-collected samples, and urine samples was equally effective for the types with high carcinogenicity.

DOI： 10.1007/s10147-022-02238-1

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本臓器保存生物医学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Lipolysis-stimulated lipoprotein receptor (LSR), a lipid metabolism-related factor localized in tricellular tight junctions (tTJs), plays an important role in maintaining the epithelial barrier. LSR is highly expressed in well-differentiated endometrial endometrioid carcinoma (EEC), and its expression decreases during malignancy. Angubindin-1, a novel LSR ligand peptide, regulates tTJs without cytotoxicity, enhances paracellular permeability, and regulates epithelial barrier via c-Jun N-terminal kinase (JNK)/cofilin. In this study, we investigated the immune-modulatory roles of an anti-LSR antibody in the treatment of EEC in vitro compared to those of angubindin-1. We prepared an antibody against the extracellular N-terminal domain of human LSR (LSR-N-ab) and angubindin-1. EEC cell-line Sawano cells in 2D and 2.5D cultures were treated with 100 μg/ml LSR-N-ab or 2.5 μg/ml angubindin-1 with or without protein tyrosine kinase 2β inhibitor PF431396 (PF43) and JNK inhibitor SP600125 (SP60) at 10 μM. Treatment with LSR-N-ab and angubindin-1 decreased LSR at the membranes of tTJs and the activity of phosphorylated LSR and phosphorylated cofilin in 2D culture. Treatment with LSR-N-ab and angubindin-1 decreased the epithelial barrier measured as TEER values in 2D culture and enhanced the epithelial permeability of FD-4 in 2.5D culture. Treatment with LSR-N-ab, but not angubindin-1, induced apoptosis in 2D culture. Pretreatment with PF43 and SP60 prevented all the changes induced by treatment with LSR-N-ab and angubindin-1. Treatment with LSR-N-ab and angubindin-1 enhanced the cell metabolism measured as the mitochondrial respiration levels in 2D culture. LSR-N-ab and angubindin-1 may be useful for therapy of human EEC via enhanced apoptosis or drug absorption.

DOI： 10.1080/21688370.2022.2106113

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Desmoplastic reaction (DR) and inflammation are significant pathological manifestations of tumorigenesis in several cancers. However, the correlation between these stromal reactions and cervical adenocarcinoma has been poorly documented. This investigation elucidated whether DR is a prognostic indicator in early cervical adenocarcinoma patients. Fifty-nine patients with early stage cervical adenocarcinoma (stages I/II) were included in the study. DR was divided into three groups, mature, intermediate, and immature, based on the presence of myxoid stroma and hyalinized keloid-like collagen. Inflammatory cell responses were classified as mild, moderate, and severe. Those stromal reactions were separately evaluated in the invasion front stroma and intratumoral stroma. In both the intratumor and invasion front stroma, intermediate/immature DR was correlated with tumor size, T stage, N stage, lymphovascular invasion, and parametrial infiltration (p < 0.001 to p < 0.05). In addition, in the intratumoral stroma, intermediate/immature DR led to short relapse-free survival and overall survival (p < 0.001). In the invasion front stroma, inflammatory cell responses were associated with DR immaturity and FIGO stage (p < 0.01). These results suggest that the classification of DR maturity is a potential prognostic biomarker in early stage cervical adenocarcinoma patients. DR can be evaluated by routine H&E staining without immunohistochemistry, making it convenient and economical in clinical practice.

DOI： 10.1007/s00795-022-00329-6

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The objective of this study was to propose prognostic factors and optimal treatment strategies by analyzing the clinicopathological features and programmed death-ligand 1 (PD-L1) expression. We analyzed 31 patients diagnosed with uterine or ovarian melanoma between 1997 and 2017 in the Kansai Clinical Oncology Group/Intergroup. Twenty-four and seven patients with cervical and ovarian melanomas were included, respectively. Immune checkpoint inhibitors were used in seven patients, and the objective response rate was 40%. Notably, two patients with objective responses had a high PD-L1 expression. Ten and four patients with cervical and ovarian melanomas, respectively, had high PD-L1 immunohistochemical expressions. Multivariate analysis revealed that tumor stage was an independent prognostic factor for progression-free survival in patients with cervical melanomas. In patients with ovarian melanomas, the 1-year cumulative progression-free and overall survival rates were 0 and 29%, respectively. Kaplan-Meier analyses revealed that age <60 years was associated with poorer progression-free and overall survivals in patients with ovarian melanomas. In patients with cervical melanomas, the 1-, 3-, and 5-year cumulative overall survival rates were 53, 32, and 16%, respectively. Histological atypia was associated with a poorer progression-free survival, but there was no difference in survival between patients who underwent radical hysterectomy and those who did not. The present study is a large cohort study of uterine and ovarian melanomas, which are aggressive tumors with a significantly poor prognosis, even after standard surgery and adjuvant therapy. The use of immune checkpoint inhibitors is a promising and effective treatment option.

DOI： 10.1097/CMR.0000000000000811

PubMed

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語  

DOI： 10.1002/jso.26835

PubMed

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Human papillomavirus (HPV)-related cancer is one of the diseases entities for which the applications of radiotherapy have been increasing. Recently, the process of carcinogenesis from HPV infection and the mechanism of tumor immunity that develops during disease progression have been elucidated. In this review, we will describe the mechanism of tumor immunity and how chemoradiotherapy may overcome and improve the efficacy of tumor immunity. We will also discuss the usefulness of proteins involved with tumor immunity as a predictive marker of radiotherapy response, and present an overview of ongoing clinical trials of combinations of immune checkpoint inhibitors and radiotherapy to demonstrate the promising combination therapy that has been currently emerging.

DOI： 10.1007/s11604-021-01231-4

PubMed

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記述言語：日本語   出版者・発行元：日本外科系連合学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Japan Society of Gynecologic and Obstetric Endoscopy and Minimally Invasive Therapy  

DOI： 10.5180/jsgoe.38.2_230

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

その他リンク： https://search.jamas.or.jp/default/link?pub_year=2022&ichushi_jid=J02563&link_issn=&doc_id=20230206480040&doc_link_id=%2Fcj7sanai%2F2022%2F003802%2F040%2F0230-0234%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fcj7sanai%2F2022%2F003802%2F040%2F0230-0234%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: The aim of this study was to compare preoperative imaging evaluation results and postoperative histopathology examinations of patients who underwent laparoscopic- or robot-assisted surgery for suspected Stage IA endometrial carcinoma. MATERIALS AND METHODS: There were 298 patients diagnosed with endometrial cancer at our institution between April 2014 and March 2019. Preoperative imaging evaluation based on magnetic resonance imaging (MRI) and computed tomography (CT) revealed 180 patients suspected of having Stage IA disease. Of these, 72 underwent open surgery, 12 underwent robot-assisted surgery, and 96 underwent laparoscopic surgery. In this study, preoperative imaging evaluation results and postoperative histopathology examinations of 108 patients who underwent laparoscopic- or robot-assisted surgery were retrospectively compared. RESULTS: Of the 108 patients, who underwent laparoscopic- or robot-assisted surgery for suspected Stage IA disease, 98 had Stage IA, two had Stage IB, and four had Stages II and III disease. The sensitivity of imaging evaluations based on preoperative MRI and CT was 90.7%. CONCLUSION: Utilizing preoperative MRI and CT imaging resulted in a high rate of successful diagnosis of Stage IA endometrial carcinoma.

DOI： 10.4103/gmit.gmit_114_21

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Tight junction proteins play roles beyond permeability barriers functions and control cell proliferation and differentiation. The relation between tight junctions and the signal transduction pathways affects cell growth, invasion and migration. Abnormality of tight junction proteins closely contributes to epithelial mesenchymal transition (EMT) and malignancy of various cancers. Angulin-1/lipolysis-stimulated lipoprotein receptor (LSR) forms tricellular contacts that has a barrier function. Downregulation of angulin-1/LSR correlates with the malignancy in various cancers, including endometrioid-endometrial carcinoma (EEC). These alterations have been shown to link to not only multiple signaling pathways such as Hippo/YAP, HDAC, AMPK, but also cell metabolism in ECC cell line Sawano. Moreover, loss of angulin-1/LSR upregulates claudin-1, and loss of apoptosis stimulating p53 protein 2 (ASPP2) downregulates angulin-1/LSR. Angulin-1/LSR and ASPP2 concentrate at both midbody and centrosome in cytokinesis. In EEC tissues, angulin-1/LSR and ASPP2 are reduced and claudin-2 is overexpressed during malignancy, while in the tissues of endometriosis changes in localization of angulin-1/LSR and claudin-2 are seen. This review highlights how downregulation of angulin-1/LSR promotes development of endometriosis and EEC and discusses about the roles of angulin-1/LSR and its related proteins, including claudins and ASPP2.

DOI： 10.3390/cancers13246341

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Recently, radical vaginal hysterectomy (RVH) has developed into laparoscopically assisted radical vaginal hysterectomy (LARVH), which is associated with the laparoscopical procedure, and it is applied as radical vaginal trachelectomy and semi-radical vaginal hysterectomy. LARVH is indicated for patients with stage IB1 and IIA1 cervical carcinoma, especially those with a tumor size of less than 2 cm, because the cardinal ligaments cannot be resected widely. Although RVH that is associated with laparoscopic pelvic lymphadenectomy is the most used surgical procedure, radical trachelectomy may be performed either abdominally or vaginally (laparoscopic or robotic). One report found that the pregnancy rate was higher in patients who underwent minimally invasive or radical vaginal trachelectomy than in those who underwent radical abdominal trachelectomy.

DOI： 10.1055/s-0041-1739120

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

To supplement clinical decision-making in the management of cervical cancer, various prognostic factors, including tumor immune microenvironments, were examined in patients with cervical cancer treated with definitive chemoradiotherapy. We retrospectively analyzed the expression of CD8, FoxP3, HLA-1, PD-L1, and XRCC4 in 100 cases of cervical cancer. The observed tumor immune microenvironments were also classified into three types: inflamed, excluded, and cold type. Less FoxP3+ T cells and cold-type tumor were found to be poor prognostic factors in addition to non-SCC, large pre-treatment tumor volume, and three or less cycles of concurrent chemotherapy based on multivariate analysis. Cold-type tumors had significantly worse prognoses than the other two types, whereas inflamed- and excluded-type tumors showed similar 5-year disease-specific survival (P < 0.001; 0% vs. 60.3% vs. 72.3%). Radiotherapy could overcome the inhibitory immune microenvironment that occurs in excluded type. Individualized combination therapy adapted to pre-treatment tumor immunity may be necessary to improve radiotherapy outcomes in cervical cancer.

DOI： 10.1007/s00795-021-00290-w

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：英語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To evaluate the efficacy and safety of niraparib in Japanese women with heavily pretreated ovarian cancer. METHODS: This Phase 2 open-label, single-arm study enrolled Japanese women with homologous recombination deficiency-positive relapsed, high-grade serous ovarian, fallopian tube, or primary peritoneal cancer who had completed 3-4 lines of therapy. The starting dose of niraparib was 300 mg administered once daily in continuous 28-day cycles until objective progressive disease, unacceptable toxicity, consent withdrawal or discontinuation. The primary endpoint, objective response rate (ORR), was assessed by the investigator using RECIST version 1.1. Safety evaluations included the incidence of treatment-emergent adverse events (TEAEs), including serious TEAEs. RESULTS: Twenty women were enrolled and the confirmed ORR in the full analysis set (FAS) was 35.0% (7/20), consisting of 1 complete response and 6 partial responses. Disease control rate in the FAS was 90.0%. The most frequently reported TEAEs (>50%) were anemia, nausea, and platelet count decreased. One patient (5.0%) had TEAEs leading to discontinuation of niraparib whereas reductions or interruptions were reported in 14 (70.0%) and 15 (75.0%) patients, respectively. The median dose intensity (202.9 mg daily) corresponded to a relative dose intensity of 67.6%. CONCLUSION: Efficacy and safety of niraparib in heavily pretreated Japanese women was comparable to that seen in an equivalent population of non-Japanese women. No new safety signals were identified. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03759600.

DOI： 10.3802/jgo.2021.32.e16

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：IMR Press Limited  

DOI： 10.31083/j.ejgo.2021.01.2311

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Endometrial cancer is a leading cause of cancer-associated mortality in women and has a poor prognosis in advanced stages. Our previous study revealed that BCL-2-associated athanogene 3 (BAG3) may contribute to enhancing cell viability through downregulation of microRNA (miR)-29b in endometrial cancer cell lines. In addition, a relationship between estrogen receptor α (ERα) and BAG3 was recently reported in several cancer cell types. The present study investigated the relationship between ERα and BAG3 in endometrial cancer cell lines. The results demonstrated that exogenous ERα overexpression enhanced BAG3 expression in the EMTOKA endometrial cancer cell line, which does not endogenously express ERα, but had no effect on BAG3 expression levels in the Ishikawa cell line, which does endogenously express ERα. In addition, ERα overexpression suppressed miR-29b expression and enhanced the expression of Mcl-1, a mediator situated downstream of BAG3, in EMTOKA cells, but not Ishikawa cells. ERα overexpression also enhanced EMTOKA, but not Ishikawa, endometrial cancer cell viability in the presence of cisplatin. These findings suggested that ERα may contribute to enhancing endometrial cancer cell resistance to anticancer agents through BAG3 overexpression.

DOI： 10.3892/ol.2020.12281

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/J.ANNONC.2021.05.533

Web of Science

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Asian Society of Gynecologic Oncology; Korean Society of Gynecologic Oncology and Colposcopy  

その他リンク： https://ejgo.org/DOIx.php?id=10.3802/jgo.2021.32.e21

DOI： 10.3802/jgo.2021.32.e21

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Oxford University Press (OUP)  

<title>Abstract</title>
<sec>
<title>Objective</title>
To evaluate proteins related to tumor immune response and treatment outcome from radiotherapy for uterine cervical cancer patients.


</sec>
<sec>
<title>Methods</title>
We performed a retrospective immunohistochemical staining of 81 patients with uterine cervical cancer who underwent definitive radiotherapy. We examined the expression of programmed death ligand 1, human leukocyte antigen class I, tumor-infiltrating CD8+, and forkhead box P3+ (FoxP3+) T cells in tumor tissues.


</sec>
<sec>
<title>Results</title>
In biopsy specimen, patients with a higher number of CD8+ T cells and FoxP3+ T cells had a better disease-specific survival than patients with a lower number of CD8+ T cells and FoxP3+ cells (P = 0.018 and P = 0.009). Multivariate analysis showed that equivalent dose in 2 Gy fractions (EQD2) of the minimum dose to 90% of the high-risk clinical target volume, FoxP3+ T cells and expression of human leukocyte antigen class I were significant prognostic factors. When the EQD2 is 70 Gy or more, a higher local control rate is obtained regardless of the number of CD8- or FoxP3-positive cells. When EQD2 is &amp;lt;70 Gy, the number of CD8-positive cells has a significant impact on treatment outcome: the recurrence rate (local recurrence rate + distant metastasis rate) was 46.2% in the group with a CD8 value of 230 or higher, whereas the recurrence rate was 75.7% in the group with a CD8 value of less than 230.


</sec>
<sec>
<title>Conclusion</title>
The combination of CD8 or FoxP3 with EQD2 can be potentially useful to predict the treatment results of radiotherapy for cervical cancer, leading to individualized optimal selection of treatment for cervical cancer.


</sec>

DOI： 10.1093/jjco/hyaa149

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Peritoneal carcinoma is a rare disease that is diagnosed and treated in a manner similar to ovarian cancer. In most cases, the histological type is serous carcinoma, and chemotherapy is effective. However, there are a few case reports of mucinous peritoneal carcinoma. We inferred the histological type before surgery using an ascites cell block sample, which was useful for determining the treatment plan. CASE PRESENTATION: Our patient was a 60-year-old Japanese woman. She presented with a feeling of fullness in the abdomen. A computed tomographic scan showed a large quantity of ascitic fluid and thickening of the greater omentum, as well as thickening of the peritoneum at the pouch of Douglas and diaphragm. Hence, peritoneal carcinoma was suspected. The tumor markers carcinoembryonic antigen, cancer antigen 19-9, and cancer antigen 125 were all increased, and no malignant findings were observed in the uterus or ovaries. Cells suggestive of carcinoma were found in the ascitic fluid, and immunostaining by the cell block method suggested the possibility of mucinous carcinoma. The preoperative chemotherapy strategy was changed to short courses, and tumor reduction surgery was planned. Similar to the suspicion before surgery, the pathology results indicated mucinous carcinoma, and the therapeutic effect of chemotherapy was grade 0. CONCLUSIONS: Determining whether peritoneal carcinoma is serous carcinoma is important for therapy and prognostic prediction. In this case, we encountered a patient for whom surgery was chosen because of drug therapy resistance inferred through histological type estimation using the cell block method. Inferring the histological type by cell block preparation is useful for diagnosis and treatment selection.

DOI： 10.1186/s13256-020-02435-4

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

その他リンク： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2020&ichushi_jid=J01209&link_issn=&doc_id=20200612290001&doc_link_id=%2Few5saibo%2F2020%2F005903%2F002%2F0125-0128%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Few5saibo%2F2020%2F005903%2F002%2F0125-0128%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本婦人科腫瘍学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.2463/mrms.ci.2017-0146

PubMed

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：北海道産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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掲載種別：研究論文（学術雑誌）  

その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/cas.13819

DOI： 10.1111/cas.13819

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

医中誌

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記述言語：英語  

Web of Science

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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掲載種別：研究論文（学術雑誌）  

Web of Science

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掲載種別：研究論文（学術雑誌）  

Web of Science

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記述言語：日本語   出版者・発行元：東北連合産科婦人科学会・北日本産科婦人科学会  

医中誌

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記述言語：日本語   出版者・発行元：(一社)日本産科婦人科内視鏡学会  

医中誌

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記述言語：日本語   出版者・発行元：(株)メジカルビュー社  

医中誌

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Although cytology-based screening programs have significantly reduced mortality and morbidity from cervical cancer, the global consensus is that primary human papillomavirus (HPV) testing for cervical screening increases detection of high-grade cervical intraepithelial neoplasia (CIN) and invasive cancer. However, the optimal triage strategy for HPV-positive women to avoid over-referral to colposcopy may be setting specific. As Japan requires data that have been generated domestically to modify screening guidelines, we conducted a 3-year prospective study, COMparison of HPV genotyping And Cytology Triage (COMPACT), to evaluate the potential role of HPV16/18 partial genotyping and cytology for primary HPV screening. In total, 14 642 women aged 20 to 69 years undergoing routine screening at 3 centers in Hokkaido were enrolled. Conventional cytology and HPV testing were carried out. Women with abnormal cytology or HPV16/18 positivity underwent colposcopy. Those with 12 other high-risk (hr) HPV types underwent repeat cytology after 6 months. Primary study endpoints were detection of high-grade cervical disease defined as CIN2/CIN3 or greater as determined by consensus pathology. Prevalence of cytological abnormalities was 2.4%. hrHPV, HPV 16, and HPV 18 were detected in 4.6%, 0.9%, and 0.3% of women, respectively. HPV16/18 were detected in all (8/8) invasive cervical cancers and in all (2/2) adenocarcinomas in situ. Both cytological abnormalities and hrHPV positivity declined with increasing age. This is the first Japanese study to investigate the role of partial genotyping and cytology in an HPV-based screening program. Results should help policy-makers develop guidelines for future cervical screening programs and management of cervical abnormalities based on HPV genotype.

DOI： 10.1111/cas.13608

PubMed

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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記述言語：日本語   出版者・発行元：(公社)日本臨床細胞学会  

医中誌

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掲載種別：研究論文（学術雑誌）  

Web of Science

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掲載種別：研究論文（学術雑誌）  

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掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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掲載種別：研究論文（学術雑誌）  

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掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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DOI： 10.1016/j.ygyno.2015.10.011

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記述言語：日本語   出版者・発行元：(一社)日本内視鏡外科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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Lynch 症候群はミスマッチ修復遺伝子の生殖細胞系列変異に起因するがんの易罹患性症候群である．原因遺伝子として&lt;I&gt;MLH1，MSH2，MSH6，PMS2&lt;/I&gt;遺伝子の4 つが知られており，さらに&lt;I&gt;MSH2&lt;/I&gt;遺伝子の上流にある&lt;I&gt;EPCAM&lt;/I&gt;遺伝子変異も原因となりうる．今回我々は，クライエントの家族歴からLynch 症候群を疑ったが，家系内に連絡が可能な生存するがん罹患者がおらず，発端者情報不明のまま未発症者の遺伝学的検査を行い，&lt;I&gt;EPCAM&lt;/I&gt;遺伝子変異によるLynch 症候群と診断した1 家系を経験したので報告する．

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記述言語：日本語  

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