Autoimmune pancreatitis (AIP) is a special type of chronic pancreatitis (CP), which displays clinical, morphological, serological, radiological and in particular histological features that are distinct from those of other types of CP. CP can cause pancreatic diabetes mellitus (DM). The pathomechanism and clinical features of pancreatic DM differ from those of types 1 and 2 DM, and the principles of its treatment may also differ. Our aims were to assess the characteristics of AIP cases in Hungary; to assess the presence of AIP in various systemic autoimmune diseases (SAIDs) and to evaluate the...