A Case of Extra Growing Sigmoid Colon Carcinoma with Abdominal Wall Abscess

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  • Manabe Eriko
    Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
  • Shunji Kato
    Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
  • Ando Katsuyuki
    Ando Hospital
  • Matsumoto Satoshi
    Department of Surgery, Nippon Medical School Chiba Hokusoh Hospital
  • Higuchi Katsuyoshi
    Ando Hospital
  • Takata Hideyuki
    Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
  • Naito Zenya
    Department of Pathology and Integrative Oncological Pathology, Nippon Medical School
  • Uchida Eiji
    Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School

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  • 壁外性発育による皮下膿瘍を初発症状としたS状結腸癌の１例

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Abstract

A 74-year-old woman was admitted to our hospital due to an abdominal tumor and subcutaneous abcess formation at the left lower abdomen. The left hypogastric lateral abdominal skin over the tumor changed into necrosis and ucleration. Computed tomography revealed an abscess in the abdominal wall and contiguous mass to the pelvic tumor. Colonoscopy showed a tumor not entirely visible in sigmoid colon. The stricture was so severe that the fiberscope could not pass through it. We conducted sigmoidectomy (D3) with abdominal wall and skin resection. Resected specimen showed a 80×75mm sized type 5 tumor at the sigmoid colon, and the cut surface of an extra growing tumor. Pathological diagnosis was a well-differentiated adenocarcinoma, and it revealed that the tumor cells and abscess were close to the abdominal wall muscle layer.

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