What they are, why they're tested for, and related cancers Medically reviewed by Andrea L. Braden, MD Squamous epithelial cells are a type of flat cell found throughout the body, including in the ...

2001;28. In press. The effect of highly active antiretroviral therapy (HAART) on the natural history of anal squamous intraepithelial lesions (ASIL), the likely anal cancer precursor, and anal ...

A new research paper was published in , Volume 16, on April 24, 2025, titled "PD-L1 and FOXP3 expression in high-grade squamous intraepithelial lesions of the anogenital region." ...

[68] These atrophic lesions have also been noted near early carcinoma lesions and, at times, merged with adenocarcinoma (Figure 6). Some such changes could be called atrophic HGPIN. The transition ...

Focusing development efforts for cancer-preventive drugs on precancerous lesions (that is,intraepithelial neoplasia (IEN)) can reduce costs and accelerate the emergence of new cancer-preventive drugs.

Doctors call this anal intraepithelial neoplasia (AIN) 2-3. Or a high-grade squamous intraepithelial lesion (HSIL). You might also hear it called carcinoma in situ. This is not cancer but the cells ...