Language: EnglishMarkopoulos / Papanayotou / TrigonidisClassic Kaposi's sarcoma is a rare malignant neoplasm of endothelial cell origin. Oral manifestation of Kaposi's sarcoma is even more uncommon. The purpose of this article is to describe two cases of classic Kaposi's sarcoma and to discuss the current knowledge regarding its pathogenesis, epid emiology, clinical characteristics, and therapy.