Kaposi's sarcoma: Meaning and Definition of

Ka•po'si's sarco'ma

1. a cancer of connective tissue characterized by painless, purplish-red to brown plaquelike or pimply lesions on the extremities, trunk, or head, and sometimes involving the lungs, viscera, etc., occurring in a mild form among older men of certain Mediterranean and central African populations and in a more virulent form among persons with AIDS.