CD4 and cervical squamous intraepithelial neoplasia: This finding is in accordance with other studies that did not find any association between the T CD4+ lymphocyte count and the severity of CIN.22,23 Nevertheless, the majority of the HIV-infected patients enrolled in the present study were being treated with HAART and their cell immune response was preserved, with T CD4+ cell counts higher than 500 cells/mm3.