IgG4-related sclerosing cholangitis associated with essential thrombocythemia: A case report

Figure 1 Magnetic resonance imaging of the bile ducts. A and B: Magnetic resonance cholangiopancreatography revealed dilation of the intrahepatic bile duct and local narrowing in the bilateral hepatic duct, common hepatic duct, and lower segment of the common bile duct (yellow arrows); C and D: Plain and enhanced magnetic resonance imaging showed an enlarged pancreatic head. Possible local inflammation was, but there was no delayed enhancement (red arrows).