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Korean J Urol. 2012 Nov;53(11):807-9. doi: 10.4111/kju.2012.53.11.807. Epub 2012 Nov 14.

Urothelial carcinoma arising from a large ureteral polyp.

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1
Department of Urology, Inje University College of Medicine, Busan, Korea.

Abstract

We report an unusual case of a urothelial tumor on a ureteral polyp without hydronephrosis. The patient was a 50-year-old male. He had experienced several episodes of gross hematuria. Cystoscopy revealed a tumor that periodically prolapsed into the bladder. The tumor had a smooth-surfaced stalk with an erythematous, edematous lesion at the end. Tomography showed a mass and filling defect at the left ureterovesical junction. The results of urine cytology tests were negative. After the tumor was identified as a urothelial carcinoma by frozen biopsy analysis, a ureteroscopic resection was performed. The final pathological diagnosis was urothelial carcinoma arising in a ureteral polyp. No recurrence of the tumor or polyp was observed at the 3-month follow-up. To our knowledge, this is the first report in the Korean population of a urothelial tumor arising from a ureteral polyp.

KEYWORDS:

Polyps; Ureteral neoplasms; Ureteroscopy

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