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| Colposcopic Sign | Score | ||
| Zero Points | One Point | Two Points | |
| Margin |
Exophytie condylomas; areas showing a circular or micropapillary contoursemicircular Lesions with distinct edges. Feathered, scalloped edges.Lesions with an angular, jagged shape. “Satellite” areas and acetowhitening distal to the original SCJ. |
Lesions with a regular(Circular or semicircular) shape, showing smooth, straight edges. |
Rolled，peeling edges
Any intermal demarcation between areas of differing colposcopic appearance. |
| Color | Shiny，snow-white color.
Areas of faint(semitransparent)whitening.
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Intermediate shade(Shiny，but gray- white) | Dull reflectance withoyster-with coler. |
| Vessels | Fine-caliber vessale, poorly formed patterns. | No surface vessals. | Definite，coarsepuncation or mosaic.
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| Iodune | Any lesion stainingMahogany brown Mustard yellow staining by a minorlesion(by frist 3 criteria) | Partial iodineStaining(mottledpattern) | Mustard yellow stainingof a singnifrcant lesion(an significant area scoring 3or more points by the frist three criteria
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1.
Scores of 0 to 2 are predictive of menor lesions (subclinical HPV
infection and CIN 1 ). 2.
Scores of 3 to 5 usually indicate a middle grade lesion (CIN 2). 3. Sores of 6 to 8 generally denote an aneuploin epithelium (CIN 3). |