Abstract
Cervical cancer screening saves lives. Secondary prevention in cervical cancer screening
relies on the results of primary cytology and/or HPV testing. However, primary screening
with cytology has a low sensitivity, and HPV screening has a low specificity. This
means that either cancers are missed, or women are over-treated. To improve performance
outcomes, the concept of dual-stain cytology (CINtec® PLUS Cytology test) has been introduced. In this approach, additional staining with
p16/Ki-67 is performed in cases where cytology results are abnormal (LSIL or ASCUS)
and/or HPV-positive. Another way to describe this approach might be “diagnostic” cytology.
In order to assess the value of this “diagnostic cytology”, a systematic literature
review was conducted of dual-stain cytology performance across multiple studies until
May 2016. In a Belgian screening population (women age 25–65 years), dual-stain cytology
was significantly more sensitive (66%) and slightly less specific (−1.0%) than cytology.
In the population referred to colposcopy or with abnormal cytology (ASCUS, LSIL),
dual-staining showed a significantly higher increase in specificity, and a slightly
lower sensitivity than HPV testing. Specificity gains resulted in fewer false positives
and an increase in the number of correct referrals to colposcopy. Dual-staining with
p16/Ki-67 cytology is an attractive biomarker approach for triage in cervical cancer
screening.
Keywords
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Article info
Publication history
Published online: January 07, 2017
Accepted:
January 4,
2017
Received in revised form:
December 30,
2016
Received:
October 29,
2016
Identification
Copyright
© 2017 Elsevier B.V. All rights reserved.