Archives of Gynecology and Obstetrics

, Volume 288, Issue 5, pp 1107–1113 | Cite as

Squamous intraepithelial lesions in HIV-infected women: prevalence, incidence, progression and regression

  • Regis Kreitchmann
  • Halim Bajotto
  • Daila Alena Raenck da Silva
  • Sandra Costa Fuchs
Gynecologic Oncology



To evaluate the impact of HIV immune depletion, highly active antiretroviral therapy (HAART) and patient characteristics on the occurrence of cervical squamous intraepithelial lesions (SIL).


A total of 898 HIV-positive women were evaluated at the time of their first Pap smear and 388 of them received additional Pap smears during follow-up in a cohort study. The patients were enrolled from July 1997 to April 2007. Prevalence and incidence of SIL in Pap smears were studied. Progression and regression were evaluated in follow-up of patients presenting low-grade SIL.


Pap smear results at baseline were: 741 normal (82.5 %), 56 atypical squamous cells of indeterminate significance (ASCUS) (6.2 %), 78 low-grade SIL (8.7 %), 22 high-grade SIL (2.4 %), and 1 invasive cervical cancer (0.1 %). SIL cumulative incidence rate was 9.7 %. Progression and regression occurred in 15.9 and 62 %, respectively. Multivariate analysis of CD4 counts ≤200 cells/mm3 (aHR = 2.1; 95 % CI 1.3–3.5; P = 0.004) and age less than 30 years (aHR = 3.2; 95 % CI 1.5–6.8; P = 0.01) or less than 40 years old (aHR = 2.6; 95 % CI 1.2–5.7; P = 0.01) were significantly associated with SIL prevalence. CD4 counts ≤200 cells/mm3 (aHR = 3.0; 95 % CI 1.2–7.2; P = 0.01) and higher viral load counts (for each log increase) were associated with SIL incidence (aHR = 1.4; 95 % CI 1–1.9; P = 0.048).


Prevalence and incidence of SIL in HIV-positive women were associated with severity of HIV disease. Interventions to increase access to Pap smears and further diagnostic tests should be implemented and targeted to HIV-positive women.


Cervical intraepithelial neoplasia Vaginal smears HIV 



This study was partially supported by CNPq, Brazilian Ministry of Science and Technology.

Conflict of interest

The authors have nothing to disclose with regard to potential conflicts of interest.

Ethical standard

The study was approved by the IRB of the Hospital Presidente Vargas from the Municipal Health Department of Porto Alegre and all women gave their informed consent to participate.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Regis Kreitchmann
    • 1
    • 2
  • Halim Bajotto
    • 3
  • Daila Alena Raenck da Silva
    • 1
  • Sandra Costa Fuchs
    • 2
    • 3
  1. 1.Health Municipal DepartmentCenter for STD/AIDS TreatmentPorto AlegreBrazil
  2. 2.Postgraduate Program in Medicine: Medical Sciences, School of MedicineUniversidade Federal do Rio Grande do SulPorto AlegreBrazil
  3. 3.Research Center, Hospital de Clínicas de Porto AlegrePorto AlegreBrazil

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