Table 3:
Lesion type | Salient features | Colposcopy image |
---|---|---|
Leukoplakia | • White patch with shiny, waxy surface • Sharp, raised margin |
|
Condyloma | • Single or multiple bright white distinct, irregular lesions • Surface irregularity (with pitted or spiky appearance) |
|
Condyloma/subclinical papillomavirus infection (SPI) | • Thin/milky acetowhite patches • Irregular, geographical margin • Multiple satellite lesions |
|
Low-grade squamous intraepithelial lesion | • Thin acetowhite epithelium • Irregular, geographical border • Fine mosaic • Fine punctuation |
|
High-grade squamous intraepithelial lesion | • Dense acetowhite epithelium • Cuffed crypt (gland) openings • Coarse mosaic • Coarse punctation • Sharp border • Inner border sign • Ridge sign |
|
Invasive carcinoma | • Dense acetowhite area with/without erosion • Surface irregularity • Vascular abnormalities – coarse mosaics/coarse punctations/atypical blood vessels • Exophytic/ulcerative growth |
|
Adenocarcinoma | • Multiple dense acetowhite areas on columnar epithelium (grated coconut appearance) • Atypical blood vessels |