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J Obstet Gynaecol Can. 2019 Aug;41(8):1099-1107. doi: 10.1016/j.jogc.2018.10.025. Epub 2019 Jan 14.

Cervical Digital Photography: An Alternative Method to Colposcopy.

Author information

1
Postgraduate Program in Medicine, Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Centre de recherche de l'Hôpital Charles-Le Moyne, Université de Sherbooke, Greenfield Park, QC. Electronic address: elisehill@gmail.com.
2
Centre de recherche de l'Hôpital Charles-Le Moyne, Université de Sherbooke, Greenfield Park, QC; Department of Obstetrics and Gynecology, Faculty of Medicine, Université de Sherbooke, Sherbooke, QC.
3
Gynecologic Oncology Division, L'Hôtel-Dieu de Québec, Centre Hospitalier Universitaire de Québec, Université Laval, Québec, QC.
4
Department of Obstetrics and Gynecology, Faculty of Medicine, Université Laval, Centre Hospitalier Universitaire de Québec, Québec, QC.
5
Centre de recherche de l'Hôpital Charles-Le Moyne, Université de Sherbooke, Greenfield Park, QC.
6
Department of Obstetrics and Gynecology, Faculty of Medicine, Université de Sherbooke, Sherbooke, QC.
7
Postgraduate Program in Medicine, Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.

Abstract

OBJECTIVE:

This study sought to evaluate the performance of cervical digital photography as an alternative to colposcopy.

METHODS:

Colposcopy and cervical digital photography were performed on 228 women. The cervical digital photographs were evaluated through the Internet by three colposcopy experts. The agreement between methods was calculated with kappa and percentages of agreement. Next, the sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy were calculated for colposcopy and cervical digital photography. Histology was used as the gold standard (Canadian Task Force Classification II-2).

RESULTS:

Cervical digital photography and colposcopy were in agreement in 89.9% of the cases (κ = 0.588). Cervical digital photography had higher sensitivity (52.5%) and positive predictive value (60%) than colposcopy (35% and 48.28%, respectively). There were no other significant differences between cervical digital photography and colposcopy: specificity was 91.86% and 91.28%, negative predictive value was 89.3% and 85.8%, and diagnostic accuracy was 84.4% and 80.7%, respectively.

CONCLUSION:

Cervical digital photography is a promising alternative method to colposcopy.

KEYWORDS:

CIN; Colposcopy; cervical cancer; cervicography; photography; screening

PMID:
30651210
DOI:
10.1016/j.jogc.2018.10.025

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