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Published on: March 11, 2014
[Diagnostic value of human papillomavirus E6/E7 mRNA for residue and recurrence after cervical conization]
1Medical School of Ningbo University, Ningbo Zhejiang 315000, China.
Objective:
To explore the diagnostic value of human papillomavirus E6/E7 mRNA for residue and recurrence of cervical intraepithelial neoplasia (CIN) patients after cervical conization.
Methods:
A total of 154 patients, who underwent cervical conization and possessed complete follow-up data of high-grade cervical intraepithelial neoplasia (CINII, III), were subjected to thin-prep cytology test (TCT), HPV-DNA typing and HPV E6/E7 mRNA test in 3-6 months and 12 months after cervical conization. Abnormal cytology (≥ASC-US) or high-risk HPV-DNA (+) or HPV E6/E7 mRNA (+) cases were found by colposcopy and cervical biopsy pathological diagnosis.
Results:
Nine patients had residue and 22 recurred. HPV-DNA detections after cervical conization in 57 patients were positive. Among them, 30 patients had residual/recurrent lesions. HPV E6/E7 mRNA detections in 26 patients were positive. Among them, 24 patients had residual/recurrent lesions. The sensitivity, specificity, positive predictive value, negative predictive value and accuracy of diagnosis in the detection of HPV-DNA were 96.8%, 78%, 52.6%, 99%, and 81.8%, respectively. The sensitivity, specificity, positive predictive value, negative predictive value and accuracy of diagnosis in the detection of HPV E6/E7 mRNA were 77.4%, 98.4%, 92.3%, 94.5%, and 94.2%, respectively. The specificity and positive predictive value of HPV E6/E7 mRNA test were greater than those of HPV-DNA typing test. There was a significant difference between the two groups (P<0.05).
Conclusion:
Detection of HPV E6/E7 mRNA during the follow-up period could timely and effectively forecast the risk of residue and recurrence of CIN after cervical conization, and reduce excessive examination and treatment.
