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  • Title: Sonographic features of mucinous biliary papillomatosis: case report and review of imaging findings.
    Author: Khan AN, Wilson I, Sherlock DJ, DeKretser D, Chisholm RA.
    Journal: J Clin Ultrasound; 1998; 26(3):151-4. PubMed ID: 9502038.
    Abstract:
    Because of its indolent course, high recurrence rate, and risk of malignant transformation, mucinous biliary papillomatosis is an important consideration in the differential diagnosis of bile duct obstruction. We report a case of mucinous biliary papillomatosis and review the sonographic and other imaging findings previously reported in the literature. On sonography, these tumors appear as nonshadowing intrabiliary masses that are clearly defined and associated with proximal biliary dilatation. They may be multiple and associated with mucoid sludge. The imaging findings reflect the macroscopic appearance of a doughy papilliferous tumor of a bile duct. Associated findings include cholelithiasis, choledocholithiasis, and gallbladder dysplasia.
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