What is autoimmune cholangitis?

AKA AMA Ab - PBC, Clinically, biochemically, and histologically appear to have the classical features of PBC Most of these patients have antinuclear or antismooth muscle antibodies Therapeutic response to UDCA similar to that of AMA-positive, Different genetic susceptibility for the development of these two conditions When features in the liver biopsy suggest superimposed autoimmune hepatitis the combination of corticosteroids and UDCA should be considered