Abstract
Acquired immunodeficiency syndrome was recognized in the early 1980s. It was more common in men who had sex with previously healthy men and young people and were affected by atypical pneumopathy caused by an opportunistic microorganism, identified as Pneumocystis carinii, and presently known as Pneumocystis jiroveci. Histopathology of the purplish or brown nodular lesions revealed Kaposi's sarcoma (KS). KS is the most frequent neoplasm in patients with human immunodeficiency virus infection. Its pathophysiology has been associated with the presence of a herpes virus, whose etiologic agent is a member of herpes virus type 8 family, which gets transmitted through sexual contact. Here, we present a case report to present the diagnosis and bring the light of knowledge to the Dentist the need of therapeutic measures in the treatment of the pathology.