尿失禁を伴う仙骨形成不全症例に対するS状結腸膀胱拡大術の経験

概要

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26歳男,尿失禁を主訴とした仙骨形成不全に対して,S状結腸を用いて膀胱拡大術を施行し,尿失禁の改善をみたSacral agenesis is an uncommon disease. About 50 cases have been reported in Japan since 1929. Neurogenic bladder is often accompanied with the disease. The patient was a 26-year-old man who had suffered from persistent urinary incontinence since his childhood. Kidney-ureter-bladder (KUB) revealed Type IV sacral agenesis according to the classification by Renshaw. The upper urinary tract remained normal. Urodynamics study showed a low compliance bladder with low urethral pressure. Pharmacotherapy failed to improve his continence. Augmentation sigmoid-cystoplasty was undertaken to enlarge vesical capacity and it has successfully overcome his urinary incontinence. Clinical aspects of sacral agenesis are discussed focusing on urological problems.