There were five cases of anal squamous cell carcinoma 0. Two subjects had newly diagnosed invasive SCC of the anal canal; both subjects were HIV positive, had a history of anal condylomata, and had anal condylomata noted during HRA. While the screening procedure for anal dysplasia is similar to the procedure that has worked so well in the prevention of cervical cancer, anal dysplasia screening is relatively rare.
Prevalence and risk factors for human papillomavirus infection of the anal canal in human immunodeficiency virus HIV -positive and HIV-negative homosexual men. Embed figure.