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Figure 1: Histopathological findings (a) Cellular multinodular tumor replacing nodal structure with peripheral rim of lymphoid follicles (arrow heads). H and E, ×100, (b) Higher magnification displaying cellular spindle cell tumor with vascular channels and interspersed extravasated red blood corpuscles. H and E, × 400, (c) Tumor cells displaying diffuse CD31 immunostaining. Positively stained endothelial cells of thin blood vessels acting as internal controls (arrow heads) (DAB) ×400, (d) Tumor cells displaying intranuclear human herpes virus 8 immunostaining. 3'-3'diaminobenzidine tetrahydrochloride

Figure 1: Histopathological findings (a) Cellular multinodular tumor replacing nodal structure with peripheral rim of lymphoid follicles (arrow heads). H and E, ×100, (b) Higher magnification displaying cellular spindle cell tumor with vascular channels and interspersed extravasated red blood corpuscles. H and E, × 400, (c) Tumor cells displaying diffuse CD31 immunostaining. Positively stained endothelial cells of thin blood vessels acting as internal controls (arrow heads) (DAB) ×400, (d) Tumor cells displaying intranuclear human herpes virus 8 immunostaining. 3'-3'diaminobenzidine tetrahydrochloride