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Positive Predictive Value of Melanoma Diagnosis in Store-and-Forward Teledermatology.

Positive Predictive Value of Melanoma Diagnosis in Store-and-Forward Teledermatology.

Positive Predictive Value of Melanoma Diagnosis in Store-and-Forward Teledermatology.

Telemed J E Health. 2018 Oct 17;:

Authors: Gemelas J, Capulong D, Lau C, Mata-Diaz S, Raugi GJ

Abstract
BACKGROUND: Although store-and-forward teledermatology (SFT) has demonstrated good diagnostic sensitivity for melanoma, little is known about the diagnostic precision (positive predictive value [PPV]).
INTRODUCTION: We conducted this investigation to ascertain the PPV of melanoma diagnosis among teledermatology readers.
MATERIALS AND METHODS: We reviewed teledermatology consultations on 8,706 patients completed during the period February 1, 2015-January 31, 2016. Melanoma was included in the differential diagnosis of 551 conditions. We conducted a chart review of each condition to determine the final diagnosis.
RESULTS: We ascertained a final diagnosis in 503 conditions. Sixty-nine conditions were ultimately diagnosed as melanoma, a PPV of 13.7%. There was considerable variability in PPV among readers. Image quality was associated with higher PPV.
DISCUSSION: Overall, SFT program PPV compared favorably with that found in two published studies of face-to-face dermatology clinic care.
CONCLUSION: To increase the diagnostic precision of SFT program melanoma diagnosis, efforts should be directed toward improving selected individual reader's PPV and image quality.

PMID: 30332329 [PubMed - as supplied by publisher]

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