International journal of gynecological cancer : official journal of the International Gynecological Cancer Society · 2009
Human papillomavirus infection: low-risk and high-risk genotypes in women in Catania, Sicily.
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Agodi Antonella, Barchitta Martina, La Rosa Nadia, Cipresso Rosalba, Guarnaccia Mariella, Caruso Melania, Castiglione Maria Grazia, Ettore Giuseppe, Travali Salvatore
Аннотация
INTRODUCTION: Human papillomavirus (HPV) infection has been strongly and consistently associated with cervical carcinoma and its cytologic precursors, such as squamous intraepithelial lesions. A cross-sectional survey was conducted with the aim of estimating the prevalence of cervical HPV infection in women attending a service of colposcopy in Catania, Eastern Sicily, Italy.
METHODS: The prevalence of type-specific HPV was examined in women with negative colposcopic results and cervical intraepithelial neoplasia grades 1, 2, or 3, with the aim of providing some cross-sectional figures on the local epidemiology of HPV infection.
RESULTS: Human papillomavirus DNA was found in 62.1% of women with negative colposcopic results and in 73.2% with positive colposcopic results. Among high-risk types, a predominance of HPV-16 (51.5% of infected women) was shown followed by HPV-56 (29.7%). An age-related pattern was described with a peak in HPV prevalence among women younger than 25 years, followed by the expected decline in prevalence and a second characteristic peak in the perimenopausal or postmenopausal years, useful to design future control strategies.
CONCLUSIONS: The age-related pattern of HPV prevalence and the presence of uncommon high-risk genotypes and their role in the pathogenesis of cervical cancer need to be addressed by specific epidemiologic studies to design large-scale screening programs and multivalent vaccine strategies.
METHODS: The prevalence of type-specific HPV was examined in women with negative colposcopic results and cervical intraepithelial neoplasia grades 1, 2, or 3, with the aim of providing some cross-sectional figures on the local epidemiology of HPV infection.
RESULTS: Human papillomavirus DNA was found in 62.1% of women with negative colposcopic results and in 73.2% with positive colposcopic results. Among high-risk types, a predominance of HPV-16 (51.5% of infected women) was shown followed by HPV-56 (29.7%). An age-related pattern was described with a peak in HPV prevalence among women younger than 25 years, followed by the expected decline in prevalence and a second characteristic peak in the perimenopausal or postmenopausal years, useful to design future control strategies.
CONCLUSIONS: The age-related pattern of HPV prevalence and the presence of uncommon high-risk genotypes and their role in the pathogenesis of cervical cancer need to be addressed by specific epidemiologic studies to design large-scale screening programs and multivalent vaccine strategies.