Fig. 4From: IgG4-related gastric disease with plasma cell-rich obliterative arteritis accompanied by early-stage gastric cancer: a case reporta, c Obliterative arteritis of a small-sized artery shows abundant lymphoplasmacytic infiltrate within the expanded intima and media (HE; original magnification, a ×100, c ×200). b, d Elastica staining is highlighted in the elastic membranes of the artery (Elastica-Masson; original magnification, b ×100, d ×200). e Immunostaining for IgG4 shows IgG4-positive plasma cells infiltrate in the arterial wall (original magnification, ×200). f Multinucleated giant cells were observed in the inflamed arteries (HE; original magnification, ×400)Back to article page