Journal
GYNECOLOGIC ONCOLOGY
Volume 144, Issue 1, Pages 51-56Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2016.10.031
Keywords
Cervical cancer screening; HPV; p16/Ki-67 dual-stained cytology; CINtec PLUS; Genotyping; ATHENA; Triage
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Funding
- Roche mtm laboratories
- Roche Molecular Systems, Inc.
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Objectives. In addition to genotyping for HPV16/18, dual-immunostaining for p16/Ki-67 has shown promise as a triage of HPV-positive women. We assessed the performance of p16/10-67 dual-stained cytology for triaging HPV-positive women undergoing primary HPV screening. Methods. All women >= 25 years with valid cervical biopsy and cobas (R) HPV Test results from the cross-sectional phase of ATHENA who were referred to colposcopy (n = 7727) were eligible for enrolment. p16/Ki-67 dual stained cytology was retrospectively performed on residual cytologic material collected into a second liquid based cytology vial during the ATHENA enrolment visit. The diagnostic performance of dual-stained cytology, with or without HPV16/18 genotyping, for the detection of biopsy-confirmed cervical intraepithelial neoplasia grade 3 or worse (CIN3+) was determined and compared to Pap cytology. Furthermore, the number of colposcopies required per CIN3+ detected was determined. Results. Dual-stained cytology was significantly more sensitive than Pap cytology (74.9% vs. 51.9%; p < 0.0001) for triaging HPV-positive women, whereas specificity was comparable (74.1% vs. 75.0%; p = 0.3198). Referral of all HPV16/18 positive women combined with dual-stained cytology triage of women positive for 12 other HPV genotypes provided the highest sensitivity for CIN3+ (86.8%; 95% CI: 81.9-90.8). A similar strategy but using Pap cytology for the triage of women positive for 12 other HPV genotypes was less sensitive (78.2%; 95% CI: 72.5-83.2; p = 0.0003), but required a similar number of colposcopies per CIN3+ detected. Conclusions. p16/Ki-67 dual-stained cytology, either alone or combined with HPV16/18 genotyping, represents a promising approach as a sensitive and efficient triage for colposcopy of HPV-positive women when primary HPV screening is utilized. (C) 2016 Published by Elsevier Inc.
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