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Knowledge about anatomic variations in intrahepatic biliary ducts (IHBD) is relevant for performing biliary drainage and for avoiding bile duct injury during cholecystectomy and liver resections. Low insertion of cystic duct (LICD) is a common anatomic variant. Pancreas divisum is the commonest congenital anomaly of pancreas; it has been causally linked with recurrent acute pancreatitis (RAP).

Magnetic resonance cholangiopancreaticography (MRCP) images of 500 consecutive patients were reviewed for anatomic variants of IHBD, cystic duct, and pancreatic duct.

Anatomy of IHBD could be evaluated in 458 MRCP’s, of these 301 (65.72 %) had ‘typical’ anatomy. The variant in 157 persons included ‘triple confluence’ in 56 (12.23 %), ‘right posterior segmental duct (RPSD) draining to left …