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Perianal Bowen Disease in a Child with Human Immunodeficiency Virus

Abstract:  Individuals infected with the human immunodeficiency virus (HIV) are at increased risk for human papillomavirus (HPV)‐related cancers of the anogenital region. A majority of these cancers have been reported in adult patients; few reports are available regarding anogenital HPV‐associated carcinomas developing in children. We report a case of perianal Bowen disease in an HIV‐positive child. An 8‐year‐old HIV‐positive boy with a history of perianal verrucous lesions presented to a clinic in Lesotho because his caregiver noted his lesions were changing in color, texture, and extent. Histologic sections revealed squamous cell carcinoma in situ. Several cases of anogenital condyloma in HIV‐positive children have been reported, but very few cases of HPV‐associated cancer. Children with vertically transmitted HIV may be uniquely susceptible to persistent infection with strains of HPV acquired perinatally. While the introduction of highly active antiretroviral therapy has resulted in immune restoration, decreased opportunistic infection, and increased life expectancy for children and adults with HIV, it has not affected the incidence of HPV‐related cancers in these patients. The increased life expectancy of children with HIV may actually put them at risk for developing an HPV‐related anogenital cancer.