Stains & molecular markers
IgG4


Topic Completed: 1 December 2011

Minor changes: 2 September 2020

Copyright: 2003-2020, PathologyOutlines.com, Inc.

PubMed Search: IgG4[title]

Nat Pernick, M.D.
Page views in 2019: 4,625
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Cite this page: Pernick N. IgG4. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stainsigg4.html. Accessed September 28th, 2020.
Definition / general
Interpretation
  • Cytoplasmic staining
Uses by pathologists
Microscopic (histologic) images

Images hosted on other servers:

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

Positive staining - disease
  • Plasma cells in IgG4+ related sclerosing disorders
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