Case of intraductal papillary mucinous tumor (noninvasive adenocarcinoma) of the pancreas resected 27 years after onset |
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Authors: | Yasuhiro Shimizu Kenzo Yasui Tsuyoshi Morimoto Akihito Torii Kenji Yamao and Kazuhiko Ohhashi |
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Institution: | (1) Department of Gastroenterological Surgery, Aichi Cancer Center, Kanokoden 1-1, Chikusa-ku, 464 Nagoya, Japan;(2) Department of Gastroenterology, Aichi Cancer Center, 464 Nagoya, Japan |
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Abstract: | Summary A case of intraductal papillary mucinous tumor (IPMT) of the pancreas resected 27 yr after onset is presented. In March of
1997, a 71-yr-old man was admitted to our hospital with a complaint of severe epigastric pain. He had initially undergone
endoscopic retrograde pancreatography (ERP) in April 1971 in our hospital and the patient had been followed up for pancreatografic
changes for 26 yr. Dilatation of the main pancreatic duct gradually progressed during follow-up, and the filing defect owing
to the tumor became demonstrable. On admission, ERP revealed diffuse dilatation of the main pancreatic duct, which was 20
mm in diameter, and the filling defect of 35 mm in diameter. We diagnosed this patient as having an IPMT of the pancreas.
Considering his general condition, pancreatic segmentectomy was carried out, and the postoperative course was favorable. Histological
findings were compatible with those of noninvasive papillary adenocarcinoma. This is a precious case for studying the natural
history of intraductal papillary tumor of the pancreas and to evaluate the application of surgery, because the biologic behavior
of this tumor is much less aggressive than that of pancreatic ductal cell carcinoma. |
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Keywords: | Intraductal papillary mucinous tumor of the pancreas natural history long-term observation |
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