title: [Primary carcinoma in situ of the ureter: a case report].
abstract: A 47-year-old man presented with gross hematuria and left lower abdominal dull pain of 6-weeks duration. Cystoscopic examination revealed bloody efflux from the left ureteral orifice but no tumor in the bladder. Retrograde pyelogram showed irregular stricture of middle portion of the left ureter. Cytologic studies of the voided urine and left ureteral urine were positive for cancer, and nephro-ureterectomy with excision of a bladder cuff was carried out. The surgical specimen showed no intraluminal mass but histologically, transitional cell carcinoma in situ with G3 anaplasia and squamous metaplasia was found in the narrowed portion of the ureter. Followup examinations, including exfoliative urinary cytology, cystoscopy and IVP revealed no abnormalities until intravesical recurrence was confirmed 34 months later. Transurethral resection of bladder tumor was performed and superficial papillary transitional cell carcinoma with G2 anaplasia was found in the trigone of the bladder. Followup examinations for the last one year have revealed no abnormalities.
authors.affiliation: Department of Urology, Kasukabe Municipal Hospital.
authors.forename: S
authors.initials: S
authors.lastname: Kawakami
authors.forename: T
authors.initials: T
authors.lastname: Yamada
authors.forename: T
authors.initials: T
authors.lastname: Watanabe
authors.forename: H
authors.initials: H
authors.lastname: Masuda
authors.forename: K
authors.initials: K
authors.lastname: Nagahama
authors.forename: H
authors.initials: H
authors.lastname: Nagamatsu
authors.forename: T
authors.initials: T
authors.lastname: Negishi
mesh_terms: D002278:Carcinoma in Situ / Q000601:surgery* / Q000628:therapy; D002295:Carcinoma, Transitional Cell / Q000601:surgery* / Q000628:therapy; D003131:Combined Modality Therapy; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D009378:Neoplasms, Multiple Primary; D014516:Ureteral Neoplasms / Q000601:surgery* / Q000628:therapy; D001749:Urinary Bladder Neoplasms / Q000601:surgery* / Q000628:therapy