Summary: Autoimmune pancreatitis (AIP) is a special type of chronic pancreatitis mediated by autoimmunity. The classic manifestation of AIP is diffuse pancreatic enlargement, some of which are characterized by focal enlargement. Clinically, it is divided into diffuse AIP (DAIP) and focal AIP (FAIP) according to morphology. FAIP can be clinically manifested as obstructive jaundice, peripancreatic lymphadeno...

Summary: This study evaluates corticosteroids in the treatment of obstructive jaundice in autoimmune pancreatitis and/or immunoglobulin G4 (IgG4)-related sclerosing cholangitis in adults. Half of participants will receive corticosteroids alone, while the other half will receive corticosteroids with biliary stent at the beginning.