尿膜管膿瘍を疑った異物腫瘤の2例 : 嚥下魚骨の迷入とマンソン孤虫症

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61歳男.尿膜管膿瘍を疑い手術を施行したが,嚥下魚骨の消化管穿孔による腹腔内膿瘍とマンソン弧虫感染による尿膜管膿瘍であった.症例1は,胃の手術既往があり,嚥下魚骨穿孔の素因を有していると思われた.症例2でマンソン弧虫の感染経路は不明であったA 61-year-old man and a 59-year-old woman were referred to our hospital because of lower abdominal pain and discomfort, pollakisuria and a lower abdominal mass. In both patients, radiological studies and cystoscopy caused us to suspect a urachal abscess. We performed operations transperitoneally. In the male patient, fish bones were detected between the mass and ileum. A partial cystectomy was performed on the female patient, and the histological diagnosis was Sparganosis mansoni. In both cases, it was very difficult to make a correct diagnosis before the operations, but surgical treatment was successfully performed.