Before application of acetic acid: The columnar epithelium is visible as a bright red patch around the external os.
Cervix before application of acetic acid:
After application of acetic acid: An acetowhite area is present on the posterior lip at the 3Ė6 oíclock position. The lesion is denser close to the external os compared with the surrounding thin acetowhite areas.
Cervix after application of acetic acid:
Squamocolumnar junction visibility:
Squamocolumnar junction location:
If present, description of acetowhite area:
After application of Lugolís iodine: The iodine-negative area well delineates the area to be treated.
Determined eligibility for ablative treatment:
Remarks: On VIA, if there is any doubt about the extent of the inner margin of the lesion inside the endocervical canal, treatment by ablation should not be done.