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The poorly-differentiated angiosarcomas are composed of solid sheets of high-grade epithelioid or spindle cells and may resemble carcinomas or high-grade sarcomas. This case shows resemblance to Kaposi sarcoma.
The presence of well-differentiated foci with anastomosing vascular channels can be helpful in arriving at the correct diagnosis. Rare variants of angiosarcoma have granular cells or foamy cells resembling histiocytes.
The presence of well-differentiated foci with anastomosing vascular channels can be helpful in arriving at the correct diagnosis. Rare variants of angiosarcoma have granular cells or foamy cells resembling histiocytes.