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Atypical squamous cells (ASC) of the cervix
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Healthwise
Atypical squamous cells (ASC) are abnormal cells found on a Pap test, but the reason for the abnormalities is not known. The causes of ASC include infection or inflammation.
ASC is further classified as:
- ASC of undetermined significance (ASC-US).
- ASC but cannot exclude high-grade squamous intraepithelial lesion (HSIL) (ASC-H).
If you have ASC-US abnormalities, your health professional will probably recommend watchful waiting or human papillomavirus (HPV) testing. ASC-H abnormalities have a higher risk of being identified as more severe changes and are evaluated with colposcopy.
Last Updated:
January 5, 2009- Author:
- Sandy Jocoy, RN
- Medical Review:
- Joy Melnikow, MD, MPH - Family Medicine
Kevin Holcomb, MD - Gynecologic Oncology
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