Anal Dysplasia and Progression to Anal Cancer

Anal cancer incidence is elevated among HIV-infected individuals, especially men who have sex with men (MSM). However, no national guidelines exist for anal cancer screening or treatment of precancerous anal lesions, in part because data are lacking on progression of anal intraepithelial neoplasia (AIN) to anal cancer. To explore this issue, researchers in Australia reviewed the records of 574 patients (95% MSM, 73% …