A case of invasive micropapillary carcinoma of the pancreas concomitant with intraductal papillary mucinous neoplasm
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- TANAKA Hiroki
- Department of Gastroenterology, JA Suzuka General Hospital
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- BABA Youichirou
- Department of Pathology, JA Suzuka General Hospital
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- MATSUSAKI Shimpei
- Department of Gastroenterology, JA Suzuka General Hospital
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- ISONO Yoshiaki
- Department of Gastroenterology, JA Suzuka General Hospital
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- SASE Tomohiro
- Department of Gastroenterology, JA Suzuka General Hospital
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- OKANO Hiroshi
- Department of Gastroenterology, JA Suzuka General Hospital
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- SAITO Tomonori
- Department of Gastroenterology, JA Suzuka General Hospital
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- MUKAI Katsumi
- Department of Gastroenterology, JA Suzuka General Hospital
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- KANEKO Hiroshi
- Department of Surgery, JA Suzuka General Hospital
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- WATANABE Gen
- Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University
Bibliographic Information
- Other Title
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- Intraductal papillary mucinous neoplasmを契機に発見されたinvasive micropapillary carcinoma成分をともなった膵癌の1例
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Abstract
Invasive micropapillary carcinoma (IMPC), a rare subtype of adenocarcinoma, has a high incidence of lymph node metastasis and is associated with a poor prognosis. A 77-year-old woman was admitted to our hospital for the assessment of intraductal papillary mucinous neoplasm (IPMN). We diagnosed her with pancreatic cancer concomitant with IPMN and performed pancreaticoduodenectomy. The lesion was predominantly composed of ductal adenocarcinoma with a micropapillary component. On immunohistochemical analysis, a characteristic " inside-out pattern" was observed in the micropapillary component. This confirmed the diagnosis of pancreatic cancer with a micropapillary component. In the present report, we describe a very rare case of IMPC of the pancreas.
Journal
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- Nippon Shokakibyo Gakkai Zasshi
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Nippon Shokakibyo Gakkai Zasshi 111 (11), 2149-2156, 2014
The Japanese Society of Gastroenterology