Undifferentiated pleomorphic sarcoma detected in the descending colon: report of a case

DOI 3 Citations 30 References
  • HAGIWARA Seiya
    Department of Internal Medicine, Hokkaido Gastroenterology Hospital The Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine
  • HIRAYAMA Michiaki
    Department of Internal Medicine, Hokkaido Gastroenterology Hospital The Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine
  • TAKAHASHI Toshiyuki
    Department of Pathology, Hokkaido Gastroenterology Hospital
  • MEGURO Takashi
    Department of Internal Medicine, Hokkaido Gastroenterology Hospital
  • MORITA Takayuki
    Department of Surgery, Hokkaido Gastroenterology Hospital
  • HORITA Shoichi
    Department of Internal Medicine, Hokkaido Gastroenterology Hospital
  • NIITSU Yoshiro
    The Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine

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  • 下行結腸に病変を有した未分化多形肉腫の1例

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Abstract

Undifferentiated pleomorphic sarcoma was a well-known tumor that usually involves the soft tissues. However, in the alimentary tract, it was seldom reported. A 55-year-old man was admitted to our hospital with lower abdominal pain. Endoscopic examination showed a protruding tumor occupied the lumen of the descending colon. Because of the colon obstruction by the tumor, a left hemicolectomy with en bloc lymph node dissection was performed. Main occupied lesion of the tumor was mesenterium and submucosa, with no epithelial dysplasia. Also, dissemination of the tumor was recognized in the mesenterium and greater omentum. Based on histological and immunohistological studies, the tumor was diagnosed as undifferentiated pleomorphic sarcoma. <br>

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