Low-grade squamous intraepithelial lesions (LSIL)

Low-grade squamous intraepithelial lesions (LSIL) are mildly abnormal cells found on a Pap smear. These abnormal cells do not usually develop into cancer.

LSIL is often caused by infection with the human papillomavirus (HPV). Some HPV causes genital warts.



Author: Shannon Erstad, MBA/MPHLast Updated: January 12, 2007
Medical Review: Joy Melnikow, MD, MPH - Family Medicine
Barbara S. Apgar, MD, MS - Family Medicine, Women's Health
Ross Berkowitz, MD - Obstetrics and Gynecology

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