Definitions for "HSIL"
High-Grade Squamous Intraepithelial Lesion. characterized by a ranging number of immature cells; these cells are precancerous and, if not removed, may progress to invasive cancer
High-Grade Squamous Intraepithelial Lesion. Moderate to severe dysplasia (pre-cancerous cells), also called CIN-2 or CIN-3, which is diagnosed by performing a colposcopy and biopsy. Fewer than 1 percent of Paps are described by the lab as falling into this category. If confirmed by a colposcopy, such cell changes are highly likely to develop into cancer and require immediate treatment.
High grade squamous intraepithelial lesion. A cytological diagnosis encompassing CIN-2, CIN-3 and CIS (moderate dysplasia, severe dysplasia and carcinoma in situ)