12-year-old male status post liver transplant 4/2015. Chronic elevation of transaminases with nodular contour of the liver seen on recent ultrasound. Evaluate for bile duct abnormalities and liver morphology.EXAMINATION: MRI MRCP with and without intravenous contrast 12/13/2016 The intrahepatic bile ducts are very straight. Focal narrowing of the common bile duct (series 901, image 55) with no intra or extrahepatic biliary ductal dilatation. The common bile duct proximal and distal to this area of narrowing measures 5 mm in caliber, normal.The liver demonstrates normal signal intensity. No focal hepatic lesions.The spleen is normal.The pancreas is normal.The adrenal glands are normal.The kidneys are normal.No free fluid.The soft tissues are normal.The lung bases are normal.Bone marrow signal intensity is normal.
Focal narrowing of the common bile duct with no intra or extrahepatic biliary ductal dilatation. This may be related to stenosis and a noncompliant biliary tree.