IgG4-related Disorders of the Gastrointestinal Tract.

IgG4-related disease, a newly established multisystemic disease can affect virtually every organ. Histologically, it is characterized by the presence of a dense lymphoplasmacytic infiltrate, storiform-type fibrosis, and obliterative phlebitis. The disease shows elevated serum and tissue IgG4. The pancreas and hepatobiliary tract are involved far more… (More)