Bone Involvement in Classic and Agressive Kaposi Sarcoma

Kaposi sarcoma (KS) is an endothelial proliferation described for the first time by moritz kaposi in 1872. It is commonly associated with human herpes virus 8 (HHV8) and human immunodeficiency virus (HIV). Skin and mucous membranes are the most co mmon sites. Osseous involvement in kaposi sarcoma is rare and occurs either by direct spread of mucocutaneous lesions or through dissemination. There are 4 different variants of KS including : African (endemic) KS, classic KS, acquired immune deficiency sy ndrome (AIDS) - related (epidemic) KS, and transplantation (or immunosuppression) - associated KS.