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  • Title: [The value of P16/ki67 double labeling, HPV E6/E7 mRNA detection and their combined application in cytological shunt diagnosis of low-grade squamous intraepithelial lesions].
    Author: Guan Y, Peng J, Yuan C, Mi X, Chen Z, Chen J, Chen A, Liu J.
    Journal: Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi; 2020 Jan; 36(1):63-68. PubMed ID: 32314725.
    Abstract:
    Objective To explore the value of double labeling of P16/ki67, E6/E7 mRNA of human papillomavirus (HPV) and combined detection in shunt diagnosis of low-grade squamous intraepithelial lesions (LSIL) by thin-layer cervical cytology (TCT). Methods The study enrolled 239 patients who underwent colposcopy and biopsy within 4 weeks after primary TCT diagnosis. The remaining cytological samples were double-labeled with P16/ki67 immunocytochemical staining and the HPV E6/E7 mRNA was detected by Panther automatic HPV E6/E7 mRNA detection system. Using SPSS22.0 software, the positive rates of P16/ki67 double-labeling, HPV E6/E7 mRNA and combined detection were analyzed in different cervical lesions, and the positive rates in the same cervical lesions were compared horizontally to evaluate the efficiency of double labeling of P16/ki67, HPV E6/E7 and combined detection in the diagnosis of high-grade squamous intraepithelial lesions (HSIL) and above lesions. Results The diagnostic results of HE staining for the 239 cases of LSIL were 71 cases of chronic cervicitis (29.71%), 143 cases of LSIL (59.83%), 22 cases of HSIL (9.20%) and 3 cases of cervical cancer (1.26%). There were 46 cases of P16+ki67+ lesions (19.25%), 41 cases of ki67+P16- lesions (17.15%), 33 cases of ki67-P16+ lesions (13.81%) and 119 cases of P16-ki67- lesions (49.79%). The positive rates of P16/ki67 double-labeling, HPV E6/E7 mRNA and combined detection increased with the severity of cervical lesions. The positive rate of combined detection was the highest in the HSIL lesions, which was higher than that of P16/ki67 double-labeling and HPV E6/E7 mRNA detection. The sensitivity of combined detection was higher than that of P16/ki67 double-labeling and HPV E6/E7 mRNA detection. The Youden index of joint detection was 0.7850. Conclusion The combined detection of P16/ki67 double labeling, HPV E6/E7 mRNA and HPV E6/E7 mRNA had a certain clinical value in the management of cell LSIL shunt diagnosis. The combined detection significantly improved the sensitivity and Youden index of HSIL and above lesions, while maintaining a high specificity and coincidence rate.
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