Background: This study aims to evaluate the value of p16INK4a immunostaining for high-grade squamous intraepithelial lesions in human papillomavirus–negative patients in Beijing, China. Methods: In this study, we evaluated the value of p16INK4a immunostaining, as well as cytology and colposcopy, for predicting high-grade squamous intraepithelial lesions (HSIL) in human papillomavirus (HPV)-negative patients by comparing the methods with the haematoxylin and eosin (H&E) staining pathological diagnosis of HPV-negative patients. Results: Of 122 patients negative for the high-risk HPV (HR-HPV) subtype, 26 (21.3%) underwent colposcopically directed multiple punch cervical biopsy with a H&E pathological diagnosis of HSIL and above (HSIL+), 11 patients (9.0%) had cervical intraepithelial neoplasia (CIN)2, nine patients (7.4%) had CIN3, and six patients (4.9%) had infiltrating carcinoma. Cytology, colposcopy, and p16INK4a immunostaining had 52.4%, 38.5%, and 92.3% sensitivity, respectively, and 76.2%, 94.8%, and 99% specificity, respectively. The positive predictive value of cytology, colposcopy, and p16INK4a immunostaining was 31.4%, 66.7%, and 96%, respectively, and the negative predictive value was 88.5%, 85.1%, and 97.9%, respectively. Compared with H&E staining, the kappa of cytology, colposcopy, and p16INK4a immunostaining was 0.327, 0.323, and 0.926, respectively. Conclusion: Positive p16INK4a immunostaining is very strongly consistent with an H&E diagnosis of CIN2+, and it can be used as an objective detection index for HSIL+ diagnosis of HPV-negative patients with CIN2+.
Objective This study aims to evaluate the value of p16INK4a immunostaining for high-grade squamous intraepithelial lesions in human papillomavirus–negative patients in Beijing, China.Methods In this study, we evaluated the value of p16INK4a immunostaining, as well as cytology and colposcopy, for predicting high-grade squamous intraepithelial lesions (HSIL) in human papillomavirus (HPV)-negative patients by comparing the methods with the haematoxylin and eosin (H&E) staining pathological diagnosis of HPV-negative patients.Results Of 122 patients negative for the high-risk HPV (HR-HPV) subtype, 26 (21.3%) underwent colposcopically directed multiple punch cervical biopsy with a H&E pathological diagnosis of HSIL and above (HSIL+), 11 patients (9.0%) had cervical intraepithelial neoplasia (CIN)2, nine patients (7.4%) had CIN3, and six patients (4.9%) had infiltrating carcinoma. Cytology, colposcopy, and p16INK4a immunostaining had 52.4%, 38.5%, and 92.3% sensitivity, respectively, and 76.2%, 94.8%, and 99% specificity, respectively. The positive predictive value of cytology, colposcopy, and p16INK4a immunostaining was 31.4%, 66.7%, and 96%, respectively, and the negative predictive value was 88.5%, 85.1%, and 97.9%, respectively. Compared with H&E staining, the kappa of cytology, colposcopy, and p16INK4a immunostaining was 0.327, 0.323, and 0.926, respectively.Conclusion Positive p16INK4a immunostaining is very strongly consistent with an H&E diagnosis of CIN2+, and it can be used as an objective detection index for HSIL + diagnosis of HPV-negative patients.
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