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신용운(Yong Woon Shin),이명인(Myung In Lee),남승우(Seung Woo Nam),노임환(Im Hwan Roe),이만용(Man Yong Lee),이재현(Jai Hyun Lee),신기철(Ki Chui Shin),김정택(Jung Taik Kim),김어진(Eo Jin Kim) 대한소화기학회 2001 대한소화기학회지 Vol.37 No.5
Intraductal papillary mucinous tumor (IPMT) of the pancreas and mucin-hypersecreting bile duct tumor are characterized by intraductal papillary epithelial growth and hypersecretion of thick mucin. They show unique clinical, radiological and pathologic features. Mucin producing tumors may coexist in the bile duct and the pancreatic duct because they have the same embryologic origin. However, the case of double primary mucin producing tumors coexistent in the bile duct and the pancreatic duct is very rare in the literature. We reported a case of mucin-hypersecreting tumor of the pancreas and the bile duct with inflammatory choledocho-pancreatic fistula. The possibility of malignant invasion into the bile duct from IPMT of the pancreas was easily excluded because coexistent tumors were benign neoplasms and pancreaticobiliary fistula tract was formed by inflammation. We could not decide exactly whether the biliary intraductal lesion was a displaced pancreatic lesion or another primary biliary lesion, but benign histologic findings of both tumors suggested the likelihood of double primary neoplasms. (Korean J Gastroenterol 2001;37:384-388)