Fig. 2From: A case of Castleman disease with hemophagocytic syndrome derived from HHV8 infectiona Hematoxylin and eosin staining of lymph node showed plentiful plasma cell infiltration in perifollicular and mantle zone. The follicle had an atrophic germinal center. b Positive HHV8 expression in plasma cells localized in perifollicular and mantle zone by immunohistochemical staining (original magnification Ă—200)Back to article page