Archives of gynecology and obstetrics · 2015
Colposcopic acetowhitening of vulvar lesion: a validity study.
СтатьяНазвание и аннотация: Перевод в очереди
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Santoso Joseph T, Likes Wendy
Аннотация
OBJECTIVE: To evaluate the acetowhite changes of the vulva as a predictor for high grade vulvar intraepithelial neoplasia.
METHODS: We performed retrospective analysis from 344 patients referred to our gynecology oncology clinic for genital dysplasia. All patients underwent vulvar colposcopy. Vulvar biopsies were performed for acetowhite changes and visible vulvar lesions such as ulceration, hyperpigmentation, and thickening of the vulvar tissue. High grade vulvar dysplasia was defined as vulvar intraepithelial neoplasia 2 or worse. Results of the vulvar pathology were collected and sensitivity, specificity, negative and positive predictive values.
RESULTS: Of the 344 women who underwent vulvoscopy 241 patients had acetowhite lesions, of whom 89 had true high grade dysplasia. Using colposcopic acetowhite changes as a marker for high grade vulvar dysplasia, the test's sensitivity was 97 %, specificity was 40 %, negative predictive value was 98 %, and the positive predictive value was 37 %.
CONCLUSION: Acetowhitening of the vulva has high sensitivity but low specificity as a predictor of high grade vulvar intraepithelial neoplasia. The absence of acetowhite lesion can reassure that high grade vulvar lesion is absent.
METHODS: We performed retrospective analysis from 344 patients referred to our gynecology oncology clinic for genital dysplasia. All patients underwent vulvar colposcopy. Vulvar biopsies were performed for acetowhite changes and visible vulvar lesions such as ulceration, hyperpigmentation, and thickening of the vulvar tissue. High grade vulvar dysplasia was defined as vulvar intraepithelial neoplasia 2 or worse. Results of the vulvar pathology were collected and sensitivity, specificity, negative and positive predictive values.
RESULTS: Of the 344 women who underwent vulvoscopy 241 patients had acetowhite lesions, of whom 89 had true high grade dysplasia. Using colposcopic acetowhite changes as a marker for high grade vulvar dysplasia, the test's sensitivity was 97 %, specificity was 40 %, negative predictive value was 98 %, and the positive predictive value was 37 %.
CONCLUSION: Acetowhitening of the vulva has high sensitivity but low specificity as a predictor of high grade vulvar intraepithelial neoplasia. The absence of acetowhite lesion can reassure that high grade vulvar lesion is absent.