腹腔鏡下修復術および切石術を一期的に施行した下大静脈後尿管

Laparoscopic pyeloplasty for retrocaval ureter with ureteral stones : A case report

　73歳男性．検診で尿潜血を指摘され，当科を受診．腹部超音波検査，CTで右尿管結石，右尿管拡張を認め，逆行性腎盂造影（以下RP），RP直後に施行したCTで下大静脈後尿管と診断した．手術は腹腔鏡下に下大静脈から尿管を剝離し切断．次いで腎盂側尿管断端より軟性尿管鏡を挿入し尿管結石を摘出．その後，尿管尿管吻合を施行した．

Abstract

We report a case of retrocaval ureter associated with ureteral stones in a 73-year-old man. Circumcaval ureter was selected laparoscopically and removal of urinary stones using endoscopy was performed. Then laparoscopic ureteroureterostomy was done successfully (Rinsho Hinyokika 70 : 455-458, 2016).