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Gynecol Oncol. 2013 Jul;130(1):147-51. doi: 10.1016/j.ygyno.2013.04.012. Epub 2013 Apr 13.

Multimodal hyperspectroscopy as a triage test for cervical neoplasia: pivotal clinical trial results.

Author information

  • 1University of Miami Miller School of Medicine, Miami, FL 33136, USA. LTwiggs@med.miami.edu

Abstract

OBJECTIVE:

To prospectively evaluate a new non invasive device that combines fluorescence and reflectance spectroscopy in a population in women at risk for cervical dysplasia.

METHODS:

A total of 1607 women were evaluated with multimodal hyperspectroscopy (MHS), a painless test with extremely high spectral resolution. Subjects who were referred to colposcopy based on abnormal screening tests or other referral criteria underwent the MHS test and also had a sample taken for additional cytology and presence of high risk human papilloma virus (HPV) prior to undergoing biopsy.

RESULTS:

Sensitivity of MHS for cervical intraepithelial neoplasia (CIN) 2+ was 91.3% (252/276). Specificity, or the potential reduction in referrals to colposcopy and biopsy, was 38.9% (222/570) for women with normal or benign histology and 30.3% (182/601) for women with CIN1 histology. Two year follow-up data, collected for a subgroup of 804 women, revealed 67 interval CIN2+ that originally were diagnosed at enrollment as normal or CIN1. MHS identified 60 of these (89.6%) as positive for CIN2+ prior to their discovery during the two year follow-up period.

CONCLUSIONS:

MHS provides an immediate result at the point of care. Recently, the limitations of cytology have become more obvious and as a consequence greater emphasis is being placed on HPV testing for cervical cancer screening, creating a need for an inexpensive, convenient and accurate test to reduce false positive referrals to colposcopy and increase the yield of CIN2+ at biopsy. MHS appears to have many of the attributes necessary for such an application.

PMID:
23591399
DOI:
10.1016/j.ygyno.2013.04.012
[PubMed - indexed for MEDLINE]
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