Author: Nat Pernick, M.D. (see Authors page)

Revised: 20 November 2015, last major update December 2011

Copyright: (c) 2003-2015,, Inc.

PubMed Search: IgG4[title]
  • Cytoplasmic staining
Uses by Pathologists
Micro Images

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Eye-MALT lymphoma with infiltration by IgG4+ plasma cells

Gastric tumor (left) and ulcer (right)-IgG4 related

Kidney-tubulointerstitial nephritis-IgG4 related

Lacrimal gland-IgG4 related

Liver (inflammatory pseudotumor with sclerosing cholangitis)-IgG4 related

Pancreatitis-IgG4 related

Images hosted on
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Cholangitis explant-IgG4 related

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Hepatic tumors-IgG4 related

Lymphadenopathy-IgG4 related

Positive Staining - Disease
  • Plasma cells in IgG4+ related sclerosing disorders