Abstract
Objective. The aim of this study was to determine the incidence and severity of dysplasia associated with a cytologic diagnosis of atypical cells of undetermined significance (ASCUS) in women infected with the human immunodeficiency virus (HIV).Methods. A cross-sectional analysis of cervical cytology, colposcopic impression, and cervical biopsy results was performed on 261 HIV-positive women diagnosed with ASCUS. The prevalence and grade of histologically documented cervical intraepithelial neoplasia (CIN) was determined. Patients with CD4 counts above and below 200 cells/mm3 were compared using χ2 analysis to determine any effect of worsening immunosuppression on the rates of associated dysplasia.Results. Seven hundred sixty-one Pap smears were performed during the study period. Two hundred nine (27%) were diagnosed as ASCUS. All patients (pts) received colposcopic evaluation. The incidence of human papilloma virus (HPV) effect, low-grade CIN (I), and high-grade CIN (II, III, and carcinoma in situ) documented by cervical biopsy, cervical conization or endocervical curettings was 40, 17, and 15%, respectively. No cases of invasive cancer were found. These results are similar to those of previous cytohistologic studies of ASCUS in HIV-untested populations. There was no significant difference in frequency or severity of CIN in pts with severe immunosuppression (P = 0.4).Conclusion. A cytologic diagnosis of ASCUS in HIV-positive women identifies a group at significant risk for histologic abnormalities. The majority of pts will be diagnosed with HPV or low-grade CIN. HIV infection and severe immunosuppression do not appear to increase the frequency or severity of CIN associated with ASCUS. Given the 32% risk of associated CIN, all HIV-positive women with ASCUS cytology should undergo colposcopic evaluation.
Published Version
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