Colposcopy was employed to evaluate over 48 patients with abnormal Papanicolaou tests suggestive of subclinical human papillomaviral infection or worse. In order to evaluate the severity of the lesion, Reid's colposcopic index(RCI) which has four
colposcopic signs was used. Four colposcopic signs, margin, color, vessels, and iodine respones, are graded into three objective categories, The colposcopy-guided biopsy results and colposcopic score were compared to evaluate the diagnostic
accuracy of
colposcopic index. The overall accurate rate was 78.9%(38/48), the overestimate of diagnosis 6.2%(3/48) and the underestimate of diagnosis 14.6%(7/48). Because formulation of Reid's colposcopic index(RCI) is based on objective analysis rather
than
pattern, recall, this method is simple, reproducible and accurate and will be useful to learn the colposcopic skill.
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