Perianal wart

A raised growth on the skin around the outside of the anus caused by human papillomavirus (HPV). HPV can spread by skin-to-skin contact, usually during oral, anal, or genital sex with an infected partner. Perianal warts often appear as small, light brown, gray, or skin-colored bumps that may be clumped together. They are usually painless but can grow large and cause itching and bleeding. Sometimes perianal warts do not cause any symptoms, so a person may not know they have them. Perianal warts may come back after treatment. People who have had perianal warts have an increased risk of developing anal cancer. Also called condyloma acuminata.

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