Masafumi Toyoshima

BACKGROUND: High-grade endometrial stromal sarcoma is a rare and aggressive subtype of uterine sarcoma, characterized by a poor prognosis. While typical initial manifestations include gynecological symptoms such as abnormal vaginal bleeding…

Assisted reproductive technology procedures infrequently cause pelvic abscesses, but the risk is higher in patients with endometriosis. If antibiotic treatment of a pelvic abscess is unsuccessful, surgery is required-even during pregnancy. …

Conclusions: Our findings suggest that the NMS-E represents a valuable preoperative diagnostic tool for endometriosis, effectively correlating with the disease's severity and surgical outcomes. Incorporating the NMS-E into clinical pra…

BACKGROUND: Endometriosis is a multifaceted gynecological condition that poses diagnostic challenges and affects a significant number of women worldwide, leading to pain, infertility, and a reduction in patient quality of life (QoL). Tradit…

The abdominal wall is an uncommon site for endometriosis that occurs in the soft tissues of the wound site after laparotomy. The present study reviewed cases of post-cesarean section abdominal wall endometriosis that were surgically treated…

When a woman presents with an acute abdomen with cystic lesions in the abdominal cavity, the differential diagnosis includes torsion or rupture of an ovarian tumor. We report our experience with a 54-year-old nulliparous woman who underwent…

Endometriosis-associated pain is an essential factor in deciding surgical indications of endometriosis. However, there is no quantitative method to diagnose the intensity of local pain in endometriosis (especially deep endometriosis). This …

OBJECTIVES: The objective of this study was to assess the potential risk factors for abscess development in patients with endometrioma who present with an acute abdomen. MATERIALS AND METHODS: We retrospectively reviewed the records of 51 …

OBJECTIVES: Uterine fibroids are capable of causing infertility, but there are no definite criteria for which laparoscopic uterine myomectomy (LM) is known to be beneficial. To investigate the usefulness of LM, we examined pregnancy rates i…

INTRODUCTION: Isolated torsion of the fallopian tube without an ovarian abnormality is an uncommon event, with an incidence of approximately 1 in 1,500,000 females. Isolated torsion of the fallopian tube occurs mostly in reproductive-aged w…

Objective: To report a case of a quiescent Nuck's hydrocele with endometriosis revealed after laparoscopic surgery.Design: Case report.Setting: Department of Obstetrics and Gynecology, Tohoku University Hospital.Patient: A 36-year-old woman…