Pathogenesis and clinical spectrum of primary sclerosing cholangitis

Figure 1 Imaging and endoscopy demonstrating primary sclerosing cholangitis. A: MRCP of a patient with PSC demonstrating intrahepatic stricturing with alternating normal and dilated segments of bile ducts; B: ERCP of a patient with PSC with similar findings. (Reproduced from Radiology Assistant. Levy AD, Chief of Gastrointestinal Radiology, Department of Radiologic Pathology, Armed Forces Institute of Pathology, Washington, D.C, United States). PSC: Primary sclerosing cholangitis; MRCP: Magnetic resonance cholangiopancreatography; ERCP: Endoscopic retrograde cholangiopancreatography.