期刊
INTERNATIONAL JOURNAL OF CANCER
卷 146, 期 9, 页码 2599-2607出版社
WILEY
DOI: 10.1002/ijc.32669
关键词
triage; HPV; extended genotyping; p16; Ki-67 dual-stained cytology; pap cytology
类别
资金
- Roche Molecular Systems Inc.
The objective of our study was to assess the performance of different triage strategies for high-risk human papillomavirus (hrHPV)-positive results utilizing either extended genotyping or a p16/Ki-67 dual-stained cytology (DS) approach, with or without partial genotyping. A subset of women with hrHPV infections participating in the Addressing the Need for Advanced HPV Diagnostics (ATHENA) study were analyzed to determine the number of cervical intraepithelial neoplasia grade 3 or worse (>= CIN3) cases detected, and the absolute risk for >= CIN3 of each genotype. A clinical utility table was constructed to compare the impact of different triage strategies. In all, 2,339 women with single-genotype hrHPV infections were identified. Among these were 171 >= CIN3 cases. The U.S. Food and Drug Administration (FDA)-approved algorithm (HPV16/18 positive, or 12-other hrHPV positive and Pap positive, i.e., >= atypical squamous cells of undetermined significance) for primary HPV screening detected 132/171 (77.2%) >= CIN3 cases and required 964 colposcopies (colposcopies per >= CIN3 ratio: 7.3). An approach that uses DS instead of cytology in the FDA-approved algorithm detected 147/171 (86.0%) >= CIN3 cases, requiring 1,012 colposcopies (ratio: 6.9). Utilizing DS for triage of all hrHPV-positive women identified 126/171 (73.7%) >= CIN3 cases, requiring 640 colposcopies (ratio: 5.1). A strategy that detected HPV16/18/31/33/35+ captured 130/171 (76.0%) >= CIN3 cases, requiring 1,025 colposcopies (ratio: 7.9). Inclusion of additional genotypes resulted in greater disease detection at the expense of higher colposcopy ratios. Substituting cytology with a DS triage approach improved disease detection and the colposcopy detection rate. Further reduction of colposcopy rates can be achieved by using DS without partial genotyping. Extended genotyping strategies can identify a comparable number of cases but requires an increased number of colposcopies.
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