Minute Intraductal Papillary Adenocarcinoma Diagnosed by Endoscopic Pancreatic Biopsy, Report of a Case Hiroyuki Maguchi 1 , Kiyoshi Okamura 1 , Masayoshi Namiki 1 , Yu Orii 2 , Iwao Oikawa 3 1The Third Department of Internal Medicine, Asahikawa Medical College 2The Department of Internal Medicine, Asahikawa Kosei Hospital 3Department of Surgery, Asahikawa Kosei Hospital pp.869-876
Published Date 1988/8/25
DOI https://doi.org/10.11477/mf.1403108328
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 A case of minute Intraductal papillary adenocarcinoma under 6 mm in diameter which was diagnosed by endoscopic pancreatic biopsy (EPB) was reported. A 52-year-old female was admitted to our hospital because of abdominal pain caused by actue pancreatitis. After recovery of the patient's condition,ERCP was performed. A round elevated lesion,3 mm in size in main pancreatic duct was noted. Histopathological examination of the EPB specimen revealed adenoma. We decided, therefore, to follow-up this patient closely.

 ERCP findings 15 months after the initial ERCP showed that the elevated lesion had enlarged to 5.5 mm in size. The second EPB yielded the specimen which, histopathologically, revealed papillary adenocarcinoma. Consequently, pancreaticoduodenectomy was performed. The resected specimen thus obtained had intraductal papillary adenocarcinoma,6 mm in size, in the main duct of the pancreatic head.

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