...Helen Zieschang; Rainer Koch; Manfred P. Wirth; Michael Froehner Purpose: Leiomyosarcoma of the urinary bladder is exceedingly rare. Most clinicians come across only a few cases during their career, and information regarding treatment and outcome is scattered in the scientific literature...

.... Imaging was mostly unable to determine the organ of origin of the tumour. Histopathology revealed pelvic fibromatosis (2), chondrosarcoma (1), liposarcoma (1), haemangioendothelioma (1), lymphangioma (2), fibroleiomyoma (1), leiomyosarcoma (3), schwannoma (4), malignant nerve sheath tumour (1), rectal...

...Juichi Kawamura; Masaki Sakurai; Katsumi Tsukamoto; Hiromi Tochigi We report a case of leiomyosarcoma in the bladder which occurred in an 18-year-old boy who had been treated with cyclophosphamide over a period of 6 years for retinoblastoma diagnosed 50 days postpartum. Total cystectomy...

...Fumio Nakajima; Shintaro Terahata; Tadashi Hatano; Kazumi Nishida Malignant tumors of the ureteral smooth muscle are rare and the prognosis is not clear. This is a report of a patient with primary leiomyosarcoma of the ureter surviving 9 years and 9 months postoperatively without any evidence...

...Seiji Naito; Shinichi Kaji; Joichi Kumazawa A case of leiomyosarcoma of the scrotum in a 47-year-old man is presented. A review of the English literature revealed this to be the 7th reported case of leiomyosarcoma of the scrotum, and sufficiently wide surgical excision is required as the initial...

...Stacey L. Bléoo; Roseline Godbout; David Rayner; Yahya Tamimi; Ronald B. Moore We report a rare case of leiomyosarcoma in the bladder which occurred in an 18-year-old female with a prior history of retinoblastoma (RB). Molecular characterization of this tumor displayed a homozygous RB deletion...