Anal intraepithelial neoplasia in HIV infection

Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG
Alexander KreuterGerman Competence Network HIV/AIDS

Abstract

Human papillomavirus (HPV) infections belong to the most common sexually transmitted infections worldwide. While the immune system eliminates most HPV infections over time in immunocompetent individuals, HPV infections tend to persist in immunodeficient individuals. In HIV-infected men who have sex with men (MSM), anal HPV prevalence is more than 90% and infections with multiple HPV types are common. Consequently, HPV-associated anogenital malignancies occur with high frequency in patients with HIV infection. Anal intraepithelial neoplasia (AIN) is a potential precursor lesion of squamous cell carcinoma of the anus. Like its cervical counterpart, cervical intraepithelial neoplasia (CIN), AIN is causally linked to persistent infections with high-risk HPV types such as HPV16 or HPV18. As AIN and CIN share distinct biological similar-ities, AIN screenings analogous to Pap smear programs for CIN have been recommended in high-risk populations to reduce the incidence of anal carcinoma. These screenings include cytological analysis followed by high resolution anoscopy in case of anal dysplasia. Treatment guidelines for AIN are not yet available. Therapeutic strategies can be divided into topical (e.g. trichloroacetic acid, podophyllot...Continue Reading

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Citations

May 4, 2010·Clinics in Colon and Rectal Surgery·Deborah Nagle
Dec 8, 2009·Der Hautarzt; Zeitschrift für Dermatologie, Venerologie, und verwandte Gebiete·A KreuterU Wieland
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Sep 29, 2011·Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG·Alexander KreuterUlrike Wieland
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