According to background information in the article, "cervical cancer screening recommendations in the United States have been recently updated and now advise using an interval of 3 years between screenings in healthy women 30 years or older who have normal cytology (cells) results and who test negative for oncogenic (cancer-associated) human papillomavirus (HPV) DNA. The recommended interval is 6 to 12 months for women with normal cytology and detectable oncogenic HPV." Women who are HIV-positive are recommended to have two Pap smears six-months apart after their initial HIV diagnosis, and if both are normal, should undergo an annual screening. HPV test results are not considered.
Tiffany G. Harris, Ph.D., from Albert Einstein College of Medicine, Bronx, N.Y., and colleagues studied the incidence of cervical squamous intraepithelial lesions (SILs) [abnormal lesions] among HIV-seropositive (n= 855) and HIV-seronegative (n= 343) who were enrolled in the Women's Interagency HIV Study (WIHS) and had normal cervical cytology at the beginning of the study. The researchers sought to determine if a single initial HPV test result could be used to determine the appropriate cervical cancer screening interval in an HIV-seropositive woman with normal cervical cytology.
The researchers found that after two years, "there were no large or significant absolute differences in the cumulative incidence of SIL" between the two groups of women. "In this observational cohort study, HIV-seronegative and HIV-seropositive women who had normal cytology results with CD4 (cell) counts g
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