Journal of AdvancedMedical and Dental Sciences Research

Background: Intrahepatic and extrahepatic bile duct variations are commonly seen. Normal biliary anatomy is seen in only 58% of the population. The present study was conducted to assess intrahepatic and extrahepatic bile duct variation. Materials & Methods: 102 subjects were selected for the study. All underwent MR cholangiograms obtained with a Signa HDxt 3.0 T scanner volume MR. Results: Out of 102 patients, males were 62 and females were 40. Branching patterns of right hepatic bile duct was type I seen in 70, II in 4, III in 16, IV in 7 and V in 5. The difference was significant (P< 0.05). Branching patterns of left hepatic bile duct was type A pattern seen in 70, type B in 12, type C in 16 and type D in 4. The difference was significant (P< 0.05). Conclusion: Detailed knowledge of normal anatomy, and common and uncommon variations is of utmost importance for radiologists who are reporting these MRCP images.