Fig. 2From: Castleman disease of plasma cell type accompanied with bronchiolitis obliterans: a case report and review of the literatureLymph node biopsy showing features of Castleman disease of plasma cell type; a reactive hyperplasia of lymphoid tissue [arrow; hematoxylin and eosin (H&E) staining], b a large number of plasmacytic hyperplasia (arrows; H&E staining), c positive immunohistochemical staining for plasma cell markers: CD138Back to article page