title: Case of leiomyosarcoma of the renal pelvis.
abstract: A 54-year-old man presented at the Mibayashi clinic with bowel discomfort. Ultrasonography showed a left renal mass and the patient was referred to Noto General Hospital for urological evaluation. Results of the physical examination were unremarkable, but computed tomography and magnetic resonance imaging demonstrated a large tumor in the middle of the left kidney. The patient underwent left nephrectomy. On hemisection of the kidney, a firm tumor, measuring 8 x 7.5 cm, was seen occupying the renal pelvis. The histological diagnosis was leiomyosarcoma arising from the right renal pelvis. No treatment was provided after surgery and no recurrence was observed 6 months postoperatively.
authors.affiliation: Department of Urology, Noto General Hospital, Nanao, Japan. hidero_minami@mail.goo.ne.jp
authors.forename: Hidero
authors.initials: H
authors.lastname: Minami
authors.forename: Osamu
authors.initials: O
authors.lastname: Ueki
authors.forename: Takuji
authors.initials: T
authors.lastname: Tanaka
authors.forename: Hideaki
authors.initials: H
authors.lastname: Nishida
authors.forename: Tetsuo
authors.initials: T
authors.lastname: Hashimoto
authors.forename: Kouhei
authors.initials: K
authors.lastname: Kawaguchi
mesh_terms: D001707:Biopsy, Needle; D005500:Follow-Up Studies; D006801:Humans; D007150:Immunohistochemistry; D007680:Kidney Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D007682:Kidney Pelvis / Q000473:pathology*; D007890:Leiomyosarcoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D009392:Nephrectomy / Q000379:methods; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome; D018608:Ultrasonography, Doppler