Primary sclerosing cholangitis: Updates in diagnosis and therapy

Figure 1 Cholangiographic pictures of enlarged bile ducts in a PSC patient. On the left picture of ERCP, and on the right picture of PTC, multifocal stricturing and slightly dilated bile ducts are visible in both pictures.

Figure 2 MRCP pictures of a PSC patient. Wall irregularities (see arrows) are visible in undilated bile ducts. The gallbladder (GB) is enlarged.

Figure 3 Histological appearance of the common bile duct (A) and a large intralobular bile duct (B) in PSC (Cross section of liver, 4× and 40× magnification, Masson Stain).

Figure 4 Histological appearance of a small bile duct with inflammatory cells (A) and a small intra-hepatic bile duct with concentric rings of fibrosis (B) in PSC (40× magnification, H&E).

Figure 5 Sequence of balloon dilatation during ERCP treatment in a PSC patient with prior multiple bile duct strictures.