Mitsumasa Osakabe
ORCID: 0000-0002-1797-3189
· 3 papers in corpus
case-report
2026
INTRODUCTION: Malignant transformation of endometriosis is rare and most commonly involves the ovary; transformation from paraurethral endometriosis is exceedingly rare. CASE PRESENTATION: A 73-year-old postmenopausal woman with prior ovar…
case-report
2025
•Primary vaginal serous and borderline tumors can occur at the vaginal stump in hysterectomized women.•A large specimen obtained by tumor resection is needed for accurate pathological diagnosis of vaginal tumors.•Investigation of vaginal en…
case-report
2016
Epithelioid trophoblastic tumor (ETT) is a rare gestational trophoblastic neoplasm of chorionic-type intermediate trophoblasts, and it is most frequently located in the lower uterine segment and endocervix. Due to the epithelial-growth patt…