A Case of Undifferentiated Carcinoma of Rectosigmoid which Progressed Rapidly to its Termination

DOI Web Site 26 References Open Access
  • Hirano Kosuke
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Tatsuoka Teppei
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Kubota Yawara
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Saito Kazuyuki
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Koketsu Shinichiro
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Okuyama Takashi
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Sugamata Yoshitake
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Fujii Akiko
    Department of Diagnostic Pathology, Dokkyo Medical University Koshigaya Hospital
  • Ban Shinichi
    Department of Diagnostic Pathology, Dokkyo Medical University Koshigaya Hospital
  • Tagaya Nobumi
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Sameshima Shinichi
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital
  • Oya Masatoshi
    Department of Surgery, Dokkyo Medical University Koshigaya Hospital

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Other Title
  • 急速な転帰を辿った直腸S状結腸未分化癌の1例

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An 80-year-old man who had a rectosigmoid cancer on colonoscopy for melena was admitted to our hospital for surgery.<BR>A type-2 lesion of the ascending colon was also detected by preoperative colonoscopy, and Hartmann operation and right hemicolectomy were carried out.<BR>Histologically, the rectosigmoid cancer was undifferentiated cancer and the ascending cancer was highly and moderately differentiated adenocarcinoma. He was discharged on the 24th postoperative day. However, on the 43rd postoperative day, he was readmitted to our hospital due high inflammatory findings on a blood test. His lower abdomen was extremely distended and abdominal CT examination revealed a huge pelvic mass due to the recurrent tumor and multiple hepatic metastases. He died because of cancer cahexy on the 73rd postoperative day without a chance of chemotherapy. We herein report a rare case of undifferentiated carcinoma of the rectum with a review of the literature.

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