Journal
AMERICAN JOURNAL OF ROENTGENOLOGY
Volume 191, Issue 3, Pages 778-782Publisher
AMER ROENTGEN RAY SOC
DOI: 10.2214/AJR.07.2091
Keywords
bile duct dilatation; bile duct tumor; CT; MRI; mucin-producing tumor
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OBJECTIVE. The purpose of this study was to evaluate the imaging features of intrahepatic biliary intraductal papillary-mucinous neoplasm manifesting only as dilatation of the lobar or segmental bile ducts without a visible mass to determine whether this type of cholan-giocarcinoma can be recognized on the basis of distinct imaging features. CONCLUSION. Intrahepatic biliary intraductal papillary-mucinous neoplasm can spread along the mucosa without forming a mass and can produce a large amount of mucin. Severe dilatation of the lobar or segmental intrahepatic bile ducts with crowding and severe atrophy of the hepatic parenchyma are helpful imaging findings.
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