Case |
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After normal saline |
After normal saline with green filter |
After normal saline with green filter with higher magnification |
After acetic acid |
After acetic acid with green filter |
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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 3 transformation zone; suspicion of squamous cell carcinoma. |
Management: | Multiple punch biopsies from the anterior and posterior lips of the cervix. |
Histopathology: | Squamous cell carcinoma. |
Comment: | A raised irregular surface appearing to close the external os is very characteristic of invasive cancer. |
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