Anal intraepithelial neoplasia (AIN) is dysplasia in the epithelium of the anus and is a pre‐malignant condition associated with a low rate of progression to invasive squamous cell carcinoma (SCC).… Click to show full abstract
Anal intraepithelial neoplasia (AIN) is dysplasia in the epithelium of the anus and is a pre‐malignant condition associated with a low rate of progression to invasive squamous cell carcinoma (SCC). The natural history of progression for AIN to anal SCC is poorly defined. This study aims to review our experience with AIN and investigate the natural history of progression.
               
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