48,837
edits
Line 6: | Line 6: | ||
| Micro = atypical cells - usu. spindle cells, occasionally epithelioid; vascular differentiation (abundant capillaries - "red" at low power, +/-cytoplasmic vacuolization, +/-[[hobnail]] endothelial cells) | | Micro = atypical cells - usu. spindle cells, occasionally epithelioid; vascular differentiation (abundant capillaries - "red" at low power, +/-cytoplasmic vacuolization, +/-[[hobnail]] endothelial cells) | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[Kaposi sarcoma]], other [[vascular tumours]] | | LMDDx = [[Kaposi sarcoma]], [[anastomosing hemangioma]], other [[vascular tumours]] | ||
| Stains = | | Stains = | ||
| IHC = CD31 +ve, FLI-1 +ve, CD34 +ve, HHV-8 -ve | | IHC = CD31 +ve, FLI-1 +ve, CD34 +ve, HHV-8 -ve |
edits