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Cardiovascular Volume

Image Number 021 - Kaposi's sarcoma, forearm skin

Kaposi's sarcoma is a malignant neoplasm of the blood vessels. Grossly, it resembles an angiosarcoma. However, the actual primary cell of origin is unknown. It is characterized grossly as a raised purple mass, as seen on the arm of this patient. Its incidence has increased in the past two decades due to the AIDS epidemic. Thirty percent of AIDS patients have Kaposi's sarcoma.

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