Arterial pseudoaneurysm complicating endoscopic fulguration of upper urinary tract urothelial carcinoma.
We report a case of intrarenal arterial pseudoaneurysm after ureteroscopic fulguration of recurrent urothelial carcinoma. An asymptomatic 90-year-old woman underwent uneventful cauterization of two small papillary urothelial carcinomas. One month postoperatively, the patient presented with gross hematuria. Angiographic evaluation revealed a small pseudoaneurysm in the distal upper pole branch of the left renal artery, corresponding to the site of recent tumor fulguration. Angioembolization of this lesion was successfully performed. Acute or subacute gross hematuria after endoscopic tumor ablation may be due to an arterial pseudoaneurysm. Angiographic evaluation is critical for the successful diagnosis and treatment of this complication.
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