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Knowledge and beliefs about anal cancer screening among gay and other men who have sex with men remains unclear, despite data that suggests significant risk for intra-anal HPV-related cancers.

Nevertheless, community-based screening activities may be most effective when stake-holder perspectives are addressed. We conducted four focus groups among 16 male and 3 female health care advocates experienced in working with diverse gay and other men who have sex with men in Los Angeles.

Facilitators were community screening sites, novel strategies such as home testing, health care system changes and targeted educational campaigns, which may increase anal cancer awareness and screening among ethnically diverse men who have sex with men. Human papillomaviruses HPVs have been divided into high-risk hrHPV and low-risk virus types, based on their historical association with cervical cancers Bosch et al.

Worldwide, almost all cervical cancers are causally associated with infection by hrHPV types, and data suggest the majority of anal cancers may be similarly associated with hrHPV infections Bosch et al. HPVs are easily passed between sex partners through direct skin-to-skin contact. Some data suggest that condoms are not protective, which is likely due to the inability of condoms to cover all affected surfaces.

In women, HPV infections and related cervical cancers have long been associated with receptive vaginal intercourse; both are Anal fuck bisex bj action associated with virginal women. Anal cancers that arise at or near the dentate line of the anus intra-anal are often misclassified or reported together with external perianal malignancies, which are etiologically different. In fact, epidemiological and molecular studies indicate that, like cervical cancers, intra-anal malignancies may be more clearly linked to infection by hrHPVs than are external perianal malignancies.

Molecular studies show that hrHPVs promote and initiate cancer. Additionally, intra-anal malignancies in men were recovered from gay men exclusively whereas perianal tumors were recovered from heterosexual men. Nonetheless, even though cancers are rare, genital hrHPV infections are common in the general population.