Bethesda 2001 Cervical Cytology Classification
Negative for squamous intraepithelial lesion or malignancy
Epithelial cell abnormalities: Squamous Cell
Atypical Squamous cells of undetermined significance (ASC-US)
Atypical Squamous Cells, cannot exclude HSIL (ASC-H)
Low-Grade Squamous Intraepithelial Lesion (LSIL)
encompassing: HPV / mild dysplasia / CIN 1
High-Grade Squamous Intraepithelial Lesion (HSIL)
encompassing: moderate and severe dysplasia, CIS / CIN 2 & CIN 3
-with features suspicious for invasion (if invasion is suspected)