内視鏡的に治療した多発性尿管ポリープの1例

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We report a case of multiple ureteral polyps treated with a rigid ureteroscope in a 27-year-old man with the chief complaint of left lower abdominal pain. The patient, who had left renal stones pointed out on his plain film, was referred for further examination and treatment of left hydronephrosis as suggested by drip infusion pyelography (DIP). DIP and retrograde pyelography (RP) revealed left hydronephrosis and a filling defect in the upper third of ureter. An ureteroscopic inspection and biopsy was conducted. The pathological diagnosis was fibroepithelial polyps of the ureter, so we performed an ureteroscopic polypectomy for the treatment. The postoperative course has elapsed favorably, without ureteral stricture or recurrence of the polyps. Ureteroscopic procedures are considered to be useful for the preoperative diagnosis and treatment of ureteral polyps.