A CASE OF IPMN WITH URACHAL CARCINOMA WHICH RESEMBLED THE FORM AND HISTOLOGICALLY

DOI Web Site 25 References
  • KOBAYASHI Shinjiro
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine
  • SAKURAI Joe
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine
  • KOIZUMI Satoshi
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine
  • ASAKURA Takeshi
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine
  • NAKANO Hiroshi
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine
  • KOIKE Jyunki
    Department of Pathology, St Marianna University School of Medicine
  • OTSUBO Takehito
    Division of Gastroenterological and Department of General Surgery, St Marianna University School of Medicine

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  • 病理組織学的にも類似し嚢胞性腫瘍の形態をとった尿膜管癌を合併したＩＰＭＮの１例

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Abstract

A 60-year-old female patient, in whom the levels of some tumor markers were found elevated, was referred to our institution. She had a carcinoembryonic antigen (CEA) level of 8.7 ng/ml and a CA 19-9 level of 51 U/ml and a 30-mm multilocular cystic neoplasm was detected in the pancreatic tail. Since the neoplasm involved the main pancreatic duct which was dilated, the patient was diagnosed with mixed-type intraductal papillary mucinous neoplasm (IPMN). A 70-mm cystic neoplasm was also found extended from the umbilicus into the abdominal cavity. While metastasis from IPMN was also considered, but since IPMN could not be considered to be invasive carcinoma, the patient was therefore diagnosed as having simultaneous double cancer and underwent resections of the pancreatic tail and the neoplasm in the umbilicus. Histopathologically, both were cystic neoplasms covered with a simple columnar epithelium and diagnosed as IPMN/IPMC with urachal carcinoma, which, so far as we know, has not yet been recorded. Both were similar morphologically as well as histopathologically defining the case as interesting.

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