A Rare Duodenal Carcinosarcoma: A Case Report and Literature Review

  • Arao Yoshihisa
    Division of Gastroenterology, Sado General Hospital, Japan
  • Kamimura Kenya
    Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Japan
  • Ikemi Masatoshi
    Division of Gastroenterology, Sado General Hospital, Japan Department of Internal Medicine, University of Occupational and Environmental Health, School of Medicine, Japan
  • Takaki Masayuki
    Division of Gastroenterology, Sado General Hospital, Japan
  • Takahashi Shunsaku
    Division of Gastroenterology, Sado General Hospital, Japan
  • Seino Satoshi
    Division of Gastroenterology, Sado General Hospital, Japan
  • Abe Hiroyuki
    Division of Gastroenterology, Sado General Hospital, Japan
  • Kohisa Junji
    Division of Gastroenterology, Sado General Hospital, Japan Division of Gastroenterology, Nagaoka Red Cross Hospital, Japan
  • Kato Takashi
    Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Japan
  • Ajioka Yoichi
    Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Japan
  • Terai Shuji
    Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Japan

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Abstract

<p>Carcinosarcoma is a biphasic malignant tumor comprising both carcinomatous and sarcomatous components; its occurrence in the duodenum is very rare. We herein report the case of a 96-year-old woman with duodenal carcinosarcoma showing rapid growth within the past year. The tumor was found to be bulging into the lumen and predominantly comprised sarcomatoid components with focal positive staining for cytokeratin. Therefore, the tumor was diagnosed as duodenal carcinosarcoma. The clinical information of the present case and our literature review of the 12 cases reported to date will help physicians diagnose and treat this rare tumor. </p>

Journal

  • Internal Medicine

    Internal Medicine 58 (9), 1273-1278, 2019-05-01

    The Japanese Society of Internal Medicine

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