Electrolyte depletion syndrome を呈し, 骨盤内再発をきたした直腸巨大絨毛腫瘍の1例

概要

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A 74-year-old man presenting with diarrhea was diagnosed with villous tumor of the rectum. He was ex-amined regularly as an outpatient, but his diarrhea and hypokalemia worsened. CF and MRI revealed a huge, mucous-retaining villous tumor occupying the whole rectum. He underwent abdominoperineal resection. During the operation, mucous escaped from the tumor into the abdominal cavity. The size of the tumor was 18×12 cm. Microscopic findings of the resected specimen showed a well differentiated adenocarcinoma with mucinous components invading the subserosal layer. After the surgery, the patient recovered immediately from hypokalemia. Four months after the surgery, he developed multiple cystic tumors in the pelvis.<BR>Incidence of electrolyte depletion syndrome is rare, and complete resection is essential to prevent recurrence.
日本大腸肛門病学会の論文