title: Urachal signet ring cell carcinoma.
abstract: Urachal adenocarcinoma is a rare neoplasm associated with poor prognosis. We report a case of urachal signet ring cell carcinoma in a 65-year-old man. He was admitted with a chief complaint of microscopic hematuria. Cystoscopic examination and transurethral biopsy showed an urachal tumor. After undergoing radical cystectomy and intravenous chemotherapy, the patient developed bilateral hydronephroses as a result of bilateral ureteral metastases and bowel obstraction because of the Para-aortic lymphnode metastasis. He has been alive for 5 years after three courses of chemotherapy and a bypass operation.
authors.affiliation: Department of Urology, Faculty of Medicine, University of Toyama, Toyama, Japan. amorii@med.u.toyama.ac.jp
authors.forename: Akihiro
authors.initials: A
authors.lastname: Morii
authors.forename: Yuzo
authors.initials: Y
authors.lastname: Furuya
authors.forename: Yasuyoshi
authors.initials: Y
authors.lastname: Fujiuchi
authors.forename: Takuya
authors.initials: T
authors.lastname: Akashi
authors.forename: Shin
authors.initials: S
authors.lastname: Ishizawa
authors.forename: Hideki
authors.initials: H
authors.lastname: Fuse
mesh_terms: D000368:Aged; D018279:Carcinoma, Signet Ring Cell / Q000473:pathology* / Q000628:therapy; D006801:Humans; D008297:Male; D014497:Urachus; D001749:Urinary Bladder Neoplasms / Q000473:pathology* / Q000628:therapy