Before application of acetic acid: The red patch at the centre is the columnar epithelium. The pink squamous epithelium is visible at the periphery.
Cervix before application of acetic acid:
After application of acetic acid: Acetic acid makes the SCJ appear prominent as a sharp line between the squamous epithelium and the columnar epithelium. Transparent white patches on the columnar epithelium are due to early metaplasia.
Cervix after application of acetic acid:
Squamocolumnar junction visibility:
Squamocolumnar junction location:
Determined eligibility for ablative treatment (if HPV-positive):
Histopathology: Not done
Remarks: The outer limit of the ectropion and the outer limit of the transformation zone (TZ) are almost the same, because the TZ has just started forming.