Oral Kaposi's sarcoma.

A new case of primary oral Kaposi's sarcoma associated with immunosuppressive therapy is presented. The literature related to oral Kaposi's sarcoma is reviewed, and the pathogenesis of this condition is briefly discussed. There is a possiblity that early lesions of Kaposi's sarcoma may be misadiagnosed clinically and histopathologically as simple pyogenic granulomas.