[Usefulness of Hybrid Capture II detection of high-risk human papillomavirus in women with abnormal pap-smears of the uterine cervix]

Daniel Tena, Nuria Garrido, José Manuel Menéndez, Juan José Delgado, Juan Romanyk, María del Rosario González, Alvaro Zapico, María Beltrán
Enfermedades Infecciosas y Microbiología Clínica 2005, 23 (8): 474-8

INTRODUCTION: The objectives of the study were to investigate the usefulness of high-risk human papillomavirus (HR-HPV) detection in women with abnormal pap-smears as an adjunct to screening by cervical cytology, and to determine the viral load distribution according to the histological grade of the lesions.

METHODS: A total of 75 women were referred for cytological study of atypical cells of unknown origin (ASCUS), low-grade squamous intraepithelial lesions (LG-SIL) or high-grade squamous intraepithelial lesions (HG-SIL). All patients underwent colposcopy, histological study and HR-HPV detection using the Hybrid Capture II test.

RESULTS: In the pap-smear studies, HR-HPV was detected in 31.2% of women with ASCUS and 65.7% with LG-SIL. Histological examination showed HR-HPV in 46.4% of women without lesions, 69.5% of those with LG-SIL and 75% with HG-SIL. Negative predictive values for HG-SIL in women with cytological diagnoses of ASCUS and LG-SIL were 81.8% and 92.3%, respectively. Percentages of infection with high viral load significantly increased in accordance with the histological grade.

CONCLUSIONS: The Hybrid Capture II test can be useful for the management of women with cytological evidence of ASCUS because of the low prevalence of HR-HPV infection and the high negative predictive value for HG-SIL. The usefulness in women with a cytological diagnosis of LG-SIL is limited due to the high prevalence of HR-HPV infection. High viral load can be a risk factor for the development of premalignant cervical lesions.

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