Zhonghua fu chan ke za zhi · 2001
[Video colposcopy in diagnosis of cervical squamous intraepithelial lesions].
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Song X, Wang Q, Song Y
Аннотация
OBJECTIVE: To study the accuracy and efficiency of video colposcopy in diagnosis of cervical squamous intraepithelial lesions and clinical significance of seven colposcopic signs.
METHODS: Two hundred and seventy-five patients with an abnormal cervical smear or vulva condyloma acuminata were re-evaluated by video colposcopy. 265 cervical biopsies performed under the guidance of video colposcopy for pathological study, as well 8 endocervical curettage (ECC) and 237 loop electrosurgical excision procedure (LEEP).
RESULTS: The sensitivity, specificity and positive rate of video colposcopy in evaluation of cervical squamous intraepithelial lesions were 95.9%, 77.7%, and 84.5%. Video colposcopy diagnostic accuracy was 93.8% tally with the pathological results in observing normal transformation zone. False negative rate was 6.1%. 76.2% of cases with subclinical papillomavirus infection by acetowhite epithelium, while false negative rate was 23.7%. Twin signs, triple signs and cervical carcinoma were 100.0% tallying with the diagnosis of cervical lesions.
CONCLUSIONS: Video colposcopy can be a very accurate diagnostic method in clinical practice. It is quite sensitive in diagnosis of severe cervical lesions. However, there was a relative high false negative rate in diagnosing mild cervical lesions.
METHODS: Two hundred and seventy-five patients with an abnormal cervical smear or vulva condyloma acuminata were re-evaluated by video colposcopy. 265 cervical biopsies performed under the guidance of video colposcopy for pathological study, as well 8 endocervical curettage (ECC) and 237 loop electrosurgical excision procedure (LEEP).
RESULTS: The sensitivity, specificity and positive rate of video colposcopy in evaluation of cervical squamous intraepithelial lesions were 95.9%, 77.7%, and 84.5%. Video colposcopy diagnostic accuracy was 93.8% tally with the pathological results in observing normal transformation zone. False negative rate was 6.1%. 76.2% of cases with subclinical papillomavirus infection by acetowhite epithelium, while false negative rate was 23.7%. Twin signs, triple signs and cervical carcinoma were 100.0% tallying with the diagnosis of cervical lesions.
CONCLUSIONS: Video colposcopy can be a very accurate diagnostic method in clinical practice. It is quite sensitive in diagnosis of severe cervical lesions. However, there was a relative high false negative rate in diagnosing mild cervical lesions.