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Background: Primary fallopian tube cancer is an extremely rare gynecological malignancy. Aim: To discuss, through a case report, the diagnostic process by means of cytology immunohistochemistry. Case Presentation: A 47-year-old Japanese woman, who also had lung cancer, presented with enlarged para-aortic lymph node without any symptoms. Based on the vaginal cytology report suggestive of gynecologic malignant tumor (possibly fallopian tube adenocarcinoma), primary surgery comprised of total abdominal hysterectomy and bilateral salpingo-oophorectomy was performed. Histopathology and immunohistochemistry examinations revealed primary fallopian tube carcinoma with metastasis of para-aortic lymph node. She is free from recurrence and metastases 9 months after the surgery and chemotherapy. Conclusion: Although primary fallopian tube cancer is a rare gynecologic malignancy, vaginal cytology may be useful for detecting fallopian tube carcinoma.

Aim The aim of this study was to compare the effects of pre-surgical medication with dienogest or leuprorelin on post-surgical ovarian function. Material and Methods We conducted an exploratory study in two centers in Japan that comprised 30 patients with ovarian endometrial cysts for whom surgical excision was planned. Patients were enrolled and divided into pre-surgical medication groups with dienogest or leuprorelin for 12 weeks. Thereafter, patients were treated by laparoscopic cystectomy. The primary outcome was ovarian function post-surgery, as assessed by serum anti-Mullerian hormone (AMH) level, antral follicle count (AFC) and resumption of menses. Secondary outcome was the effect of pre-surgical medication, as assessed by the size of endometrial cysts and visual analog scale (VAS) score. Serum AMH, AFC, size of endometrial cysts, and VAS scores were measured at baseline (before medication), after medication (1 day before surgery), and at 4 and 12 weeks post-surgery. Results Serum AMH levels did not change after pre-surgical medication with either dienogest or leuprorelin. Although AMH decreased after surgery, it recovered by 12 weeks post-surgery in both groups with no statistically significant difference. Mean AFC did not change after surgery in either group. Menses returned by 12 weeks post-surgery in all patients except for those who were pregnant. The rate of reduction of endometrial cyst volume did not differ between the groups. Both dienogest and leuprorelin were associated with substantial reductions in VAS scores. Conclusion There were no statistically significant differences between pre-surgical medication with dienogest and leuprorelin in post-surgical ovarian function. Both medications were effective in reducing endometrial cyst volume and VAS score.

An 84-year-old woman suffered from post-menopausal genital bleeding for 3 months. Based on the endometrial cytological findings (suggestive of high grade neuroendocrine carcinoma) showing that there were rosette-like and cord-like structures consisting of small rounded tumor cells with oval nuclei and scanty cytoplasm, radical hysterectomy was performed. Histopathological and immunohistochemical examinations on the operated specimens revealed primary high grade neuroendocrine carcinoma of the endometrium. Despite the extensive treatment against the malignancy, the patient died due to widespread metastases after 5 months after the surgery and autopsied.

To clarify the incidence of spontaneous preterm birth (PB) and septic abortion (sab) in Gifu prefecture in Japan.This prospective, population-based cohort study was approved by our hospital's Institutional Review Board. All 36 hospitals (100%) in Gifu prefecture offering obstetrical services participated in the study. Patient enrollment criteria were: sab and PB from 22 to37weeks gestation (WG), excluding for maternal and fetal indications. Pathological examinations before 36 WG and associated factors for both PB and chorioamnionitis (CAM) stage 3 were analyzed by multiple logistic regression analysis judging from minimum daily clinical information in Gifu prefecture.The sab rate per all deliveries was 29/16871 (0.17%) at 16.9±2.9 WG. The total spontaneous PB rate was 615/16871 (3.65%) at 34.5±2.7 WG, with birth weight (BW) 2267±557g. There were 26 (0.15%) PBs from 22+0 to 27+6 WG (weeks+days) at 25.2±1.5 WG, with BW 745±199g. Among 214 pathological examinations, CAM was detected in 80% (sab) and 63% (PB36 WG), respectively. Funisitis were 14% and 17% respectively. Episodes of serial genital bleeding and/or hematoma at12 WG were more frequent in sab and earlier PB (28 WG) associated with CAM stage 3 (odds 1.9, P0.0001). Combined factors such as bleeding and past history of CAM correlated with earlier delivery at 23.4±5.9 WG (P=0.0032).In Gifu prefecture, the incidence of sab was 0.17% (per all deliveries) and 3.65% of spontaneous PB. The combined risk of past CAM history and bleeding was associated with earlier delivery among total preterm birth.