title: Anal intraepithelial neoplasia among HIV-positive men who have sex with men.
abstract: Neoplasia is the second most common cause of mortality in HIV patients. The prevalence of anal cancer among men who have sex with men (MSM) has continued to increase since the introduction of antiretroviral therapy. We screened 94 HIV-infected MSM patients. We found high-grade squamous intraepithelial lesions (HSIL) in six of the patients. The calculated prevalence of HSIL was 6.4% (95% confidence interval: 2.9-13.2). The study and implementation of screening programs for high-risk groups is a priority.
authors.affiliation: Infectious Diseases Department, Hospital de Infectología, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: José A
authors.initials: JA
authors.lastname: Mata-Marín
authors.affiliation: Coloproctology Department, Hospital de Especialidades, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Jorge
authors.initials: J
authors.lastname: Hernández-Figueroa
authors.affiliation: Pediatric Infectious Diseases Department, Siglo XXI National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Av. Cuauhtémoc # 330. Colonia Doctores. Delegación Cuauhtémoc. PO 06720, Mexico.
authors.forename: Gloria
authors.initials: G
authors.lastname: Huerta-García
authors.affiliation: Infectious Diseases Department, Hospital de Infectología, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Jorge
authors.initials: J
authors.lastname: Sandoval-Ramírez
authors.affiliation: Coloproctology Department, Hospital de Especialidades, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Miguel
authors.initials: M
authors.lastname: Pichardo-Farfán
authors.affiliation: Infectious Diseases Department, Hospital de Infectología, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Bulmaro
authors.initials: B
authors.lastname: Manjarrez-Tellez
authors.affiliation: Pathology Department, Hospital de Especialidades, La Raza, National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Pablo
authors.initials: P
authors.lastname: Ramírez-Mendoza
authors.affiliation: Infectious Diseases Department, Hospital de Infectología, La Raza National Medical Center, Instituto Mexicano del Seguro Social (IMSS), Seris y Jacarandas s/n, Colonia La Raza, Delegación Azcapotzalco, Mexico City, PO 02990, Mexico.
authors.forename: Jesús
authors.initials: J
authors.lastname: Gaytan-Martínez