Objective: To probe the clinical value of fliquid-based cytololgytes(tTCT)and Bethesda system(TBS)in the screening of cervical intraepithelialn eoplasia(CIN).Methods: From June 2006 to March 2007,1 500 cases were detected by liquid-based cytologytest(TCT) and Bethesda system(TBS).The positive results were taken under guidance of colposcopicfor pathological examination.Results: The positive cases were 92 out of 1 500,among which atypical squamous cells of undetermined significance(ASCUS)were in 20 cases(21.7...