Table 2 Diagnostic criteria for recurrent primary sclerosing cholangitis (PSC) after liver transplantation (LT)

Liver transplantation for PSC

Cholangiography showing non-anastomotic biliary strictures of the intrahepatic and/or extrahepatic biliary system, with irregularities more than 90 days after LT

Liver biopsy specimens showing fibrous cholangitis and/or fibro-obliterative lesions with or without ductopaenia

Absence of other pathology/disorders, including:

 Recurrent biliary infection

 Hepatic artery stenosis or thrombosis

 Chronic rejection

 Donor/recipient ABO incompatibility

 Non-anastomotic stricture developed during the first 90 days after LT