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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: IgG4-related disease presenting with an epidural inflammatory pseudotumor: a case report

Fig. 2

Histology of the epidural mass. a Chronic inflammatory lymphoplasmacytic infiltrate with fibrosis. No phlebitis was observed (hematoxylin-eosin, magnification 40×). b Chronic inflammatory infiltrate (hematoxylin-eosin, magnification 400×). c Immunohistochemistry with plasma cells (CD138+) in the infiltrate. d Immunohistochemistry with IgG4+ plasma cells representing more than 50 % of the total cellularity

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