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Jornal Brasileiro de Patologia e Medicina Laboratorial
versão impressa ISSN 1676-2444
CAMBRUZZI, Eduardo; PEGAS, Karla Lais e LAUS, Fernanda de Fátima. Russell body gastritis: case report. J. Bras. Patol. Med. Lab. [online]. 2012, vol.48, n.1, pp. 41-44. ISSN 1676-2444. http://dx.doi.org/10.1590/S1676-24442012000100008.
Russell body gastritis (RBG), which can be associated with Helicobacter pylori (HP) infection, is a recently acknowledged lesion characterized by the presence of eosinophilic intracytoplasmic inclusions in plasmacytes. Herein the authors discuss the morphological aspects of a case of RBG in a male patient with clinical complaint of epigastric pain. Upper endoscopy revealed areas of erythema/edema in the antrum. As far as microscopy is concerned, a mononuclear inflammatory infiltrate was identified on the lamina propria, with plasma cells containing Schiff acid periodic (PAS) positive eosinophilic intracytoplasmic globules, which showed positive immunostaining for CD79a, CD138, and kappa/lambda light chains. HP was identified by Giemsa stains.
Palavras-chave : Gastritis; Plasma Cells; Pathology; Helicobacter pylori; Russell Body.