Before application of acetic acid: The ďfish mouthĒ appearance of the external os.
Cervix before application of acetic acid:
After application of acetic acid: A thin acetowhite area with feathery margins and attached to the SCJ is seen on the anterior lip.
Cervix after application of acetic acid:
Squamocolumnar junction visibility:
Squamocolumnar junction location:
If present, description of acetowhite area:
Determined eligibility for ablative treatment:
Remarks: On VIA, thin acetowhite areas due to squamous metaplasia are difficult to distinguish from low-grade precancers and should be categorized as VIA-positive. The diagnosis is established by histological examination of a cervical tissue sample.