Fig. 3From: Analysis of immunophenotypic features in hyaline vascular type Castleman diseaseImmunohistochemical staining for CD21 and BCL2 in HVCD, RHL and FL. A, FDC meshworks by CD21 stain in HVCD. B, negative area of BCL2 of germinal center in HVCD. C, FDC meshworks by CD21 stain in RHL. D, negative area of BCL2 of germinal center in RHL. E, FDC networks of neoplastic follicles by CD21 stain in FL. F, positive neoplastic follicles of BCL2 in FLBack to article page