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Atlas of visual inspection of the cervix with acetic acid for screening, triage, and assessment for treatment
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VIA-positive cases Click to return to the atlas Click on the pictures to magnify and display the legendsBefore application of acetic acid: The “fish mouth” appearance of the external os in a parous cervix.
After application of acetic acid: A thin acetowhite area with irregular margins and arising from the SCJ is seen at the 12 o’clock position.
|Cervix before application of acetic acid: |
|Cervix after application of acetic acid:|
- Squamocolumnar junction visibility:
- Squamocolumnar junction location:
- Acetowhite area:
- If present, description of acetowhite area:
Determined eligibility for ablative treatment:
|Remarks: On VIA, it is often difficult to distinguish between metaplasia and low-grade precancers. When in doubt, the lesion should be categorized as VIA-positive.|
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