Table 1.

Mayo clinic criteria for recurrent primary sclerosing cholangitis after liver transplantation[12]

Inclusion criteria

Confirmed diagnosis of PSC before LT

Cholangiography showing non-anastomotic intra- and/or extra- hepatic biliary strictures with beading and irregularities of bile ducts at least 90 d after LT and/or

Histopathological findings of fibrous cholangitis and/or fibro- obliterative lesions

Exclusion criteria

Hepatic artery thrombosis or stenosis

Chronic ductopenic rejection

Anastomotic and non-anastomotic strictures before day 90 after LT

ABO incompatible LT

LT: Liver transplantation; PSC: Primary sclerosing cholangitis.