Lymphoplasmacytic Sclerosing Pancreatitis and Retroperitoneal Fibrosis

Table 2

To make a diagnosis of LSP, criteria a must be present, together with criteria b and/or c.

	Diagnostic criteria for LSP
(a)	Pancreatic imaging studies showing diffuse narrowing of the main pancreatic duct with an irregular wall (more than 1/3 of the length of the entire pancreas) with enlargement of the pancreas
(b)	Abnormally elevated levels of serum gamma globulin and/or IgG, or the presence of autoantibodies
(c)	Histopathological examination of the pancreas shows fibrotic changes with lymphocyte and plasma cell infiltration