An elevated serum titer of immunoglobulin G4 (IgG4), the least common (3% to 6%) of the 4
subclasses of IgG, is a surrogate marker for the recently characterized IgG4-related …

Immunoglobulin G4-related systemic disease (IgG4-RSD) is a recently defined emerging
entity characterized by a diffuse or mass forming inflammatory reaction rich in IgG4-positive …

IgG4-related hepatobiliary diseases are part of a multiorgan fibroinflammatory condition
termed IgG4-related disease, and include IgG4-related sclerosing cholangitis (IgG4-SC) and …

Primary sclerosing cholangitis (PSC) remains one of the most challenging conditions of
clinical hepatology. There has been a steady growth in research to overcome this fact and …

Abstract Immunoglobulin G4 (IgG4)‐associated cholangitis (IAC) is a manifestation of the
recently discovered idiopathic IgG4‐related disease. The majority of patients have elevated …

Autoimmune Pancreatitis (AIP) is a recently recognized chronic fibro-inflammatory disease
of the pancreas. Although rare, its recognition continues to increase worldwide. Patients …

Background The clinical characteristics of IgG4-related sclerosing cholangitis (IgG4-SC)
especially without autoimmune pancreatitis (AIP) have not been investigated in a large …

Abstract IgG4-related cholangitis (IRC) is the major hepatobiliary manifestation of IgG4-
related disease (IgG4-RD), a systemic fibroinflammatory disorder. The pathogenesis of IgG4 …

Idiopathic recurrent acute pancreatitis is clinically challenging and has substantial
socioeconomic consequences. Investigations are expensive and often reveal little about the …

Autoimmune pancreatitis (AIP) is a unique type of chronic pancreatitis in which
pathogenesis involves autoimmune mechanisms. 1, 2 Contrary to ordinary chronic …