IgG4-Related Sclerosing Disease


NCI: A recently described mass-forming lesion that occurs in the pancreas, submandibular glands, lacrimal glands, lymph nodes, and hepatobiliary tract. It is characterized by the presence of marked tissue sclerosis and infiltration by numerous plasma cells. The plasma cells show immunohistochemical staining for IgG4 and the serum IgG4 levels are increased.

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