Definition of Ascus

Reviewed on 3/29/2021

ASCUS: An acronym for Atypical Squamous Cells of Undetermined Significance. This term is used in the Bethesda System for reporting Pap smear findings, and indicates that some flat (squamous) cells look unusual and may or may not be pre-malignant or malignant.


What is pelvic inflammatory disease (PID)? See Answer

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