Low grade squamous intraepithelial lesion (LSIL) in the anal canal and anus is an abnormal growth caused by infection with human papillomavirus (HPV). The abnormal growth seen in LSIL is an example of dysplasia. Although the overall risk is low, LSIL is considered a precancerous condition because it can turn into a type of anal cancer …
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What is anal intraepithelial neoplasia? Anal intraepithelial neoplasia (AIN) is a precancerous growth made up of abnormal squamous cells in the anus or anal canal. If left untreated, AIN can turn into a type of anal cancer called squamous cell carcinoma over time. Another name for AIN is squamous intraepithelial lesion (SIL). Where does anal …
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High grade squamous intraepithelial lesion (HSIL) is a precancerous disease caused by human papillomavirus (HPV). It is composed of abnormal squamous cells that have been infected and transformed by the virus. Squamous cells are found in a thin layer of tissue called the epithelium which covers the inside surface of the anus and anal canal. …
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What is squamous cell carcinoma of the anal canal? Squamous cell carcinoma (SCC) is a type of anal cancer. The anal canal is located at the end of the digestive tract between the rectum and the anus. Squamous cell carcinoma is the most common type of cancer in the anal canal. About this article This …
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