Masaharu Fukunaga

A rare case of paratesticular endometriosis in a 69-year-old male with prostatic carcinoma, who had a history of 9-year hormonal therapy, is presented. The lesion was a multilocular cyst, 5.2 cm × 3.1 cm × 3.0 cm in size, in the left parate…

This article reviews recent advance in our understanding of ovarian endometriosis, with special reference of atypical epithelial features (atypical endometriosis) and its relationship to neoplasm. The ovary is the most common site for devel…

A case of nodular histiocytic hyperplasia of the endometrium is described. A 45-year-old Japanese woman was found to have an enlarged uterus during her annual checkup. Hysterectomy and bilateral salpingo-oophorectomy specimens revealed uter…

Mass-like cystic endosalpingiosis is very rare. The author reports such a lesion with histologic features of endosalpingiosis of the uterus with florid epithelial proliferation in a 51-year-old female who complained of lower abdominal pain.…

A case of catamenial pneumothorax caused by stromal endometriosis of the diaphragm is described. A 40-year-old woman suffered two episodes of right-sided pneumothorax which occurred after onset of menstruation. Thoracoscopy revealed brownis…

Three cases of rare low-grade endometrial stromal sarcoma of the extrauterine tissue are presented. Each one occurred in the ovary, pelvic and abdominal cavities. Two were associated with endometriosis. Histologically, the tumors were chara…