Review
Copyright ©The Author(s) 2020.
World J Gastroenterol. Jul 7, 2020; 26(25): 3542-3561
Published online Jul 7, 2020. doi: 10.3748/wjg.v26.i25.3542
Table 1 Patients that should undergo to screening programs and the techniques that should be applied
Predisposing factorsDiagnostic techniqueWorrisome features
Intrahepatic lithiasis and recurrent pyogenic cholangitisMRStenosis progression, distal bile duct dilatation, intraductal polypoid mass > 1 cm.
PSCMR + ERCPIrregular bile duct stenosis, bilateral bile duct dilatation, ipsilateral lobar atrophy. ERCP bile duct sampling can simplify differential diagnosis.
Intrahepatic flukeUS/MRCentral intrahepatic and main bile duct dilation with stenosis identificationa.