CD4 and Kaposi's sarcoma: According to The AIDS Clinical Trials Group (ACTG) criteria, high severity index of KS was evidenced in 8/10 patients, due to the extent of the lesions (T1: lesional oedema, oral and/or extra lymph nodes lesions), severe immunosuppression (I1: LT-CD4 < 200/mmc) or association of systemic manifestations (S1).