| After normal saline with green filter |
| After acetic acid |
| After acetic acid with higher magnification |
| After Lugol’s iodine |
General assessment |
Normal colposcopic findings |
Abnormal colposcopic findings |
General principles |
Position and size |
Grade 1 (minor) |
Grade 2 (major) |
Non-specific |
Suspicious for invasion |
Miscellaneous finding |
| Nil or transparent | Thin, milky | Distinct, stearin | |
| Nil or diffuse | Sharp but irregular, jagged, satellites | Sharp and even, difference in level | |
| Fine, regular | Absent | Coarse or atypical vessels | |
| < 5 mm | 5-15 mm or 2 quadrants | >15 mm, 3-4 quadrants, or endocervically undefined | |
| Brown | Faintly or patchy yellow | Distinctly yellow |
| Provisional diagnosis: | Type 1 transformation zone; high-grade squamous intraepithelial lesion (HSIL). |
| Management: | LLETZ (type 1 excision). |
| Histopathology: | HSIL-CIN2. |
| Comment: | None. |