Dataset Information

Mobile teledermatology for skin cancer screening: A diagnostic accuracy study.

ABSTRACT: Skin cancer screening has undoubted potential to reduce cancer-specific morbidity and mortality. Total-body exams remain the prevailing concept of skin cancer screening even if effectiveness and value of this method are controversial. Meanwhile, store and forward teledermatology was shown to be a reliable instrument for several diagnostic purposes mostly in specialized dermatology settings. The objective of this study was to evaluate most convenient mobile teledermatology interventions as instruments for skin cancer screening in a representative population.Prospective diagnostic study with visitors of a skin cancer screening campaign in Switzerland. Histopathology was used as reference standard. Mobile teledermatology with or without dermoscopic images was assessed for performance as a screening test (i.e., rule-in or rule-out the need for further testing). Outcomes were sensitivity, specificity, and predictive values.Seven cases of skin cancer were present among 195 skin lesions. All skin cancers were ruled-in by teledermatology with or without dermoscopic images (sensitivity and negative predictive value 100%). The addition of dermoscopic images to conventional images resulted in higher specificity (85% vs. 77%), allowing reduction of unnecessary further testing in a larger proportion of skin lesions.Store and forward mobile teledermatology could serve as an instrument for population-based skin cancer screening because of favorable test performance.

SUBMITTER: Markun S

PROVIDER: S-EPMC5348191 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Mobile teledermatology for skin cancer screening: A diagnostic accuracy study.

Markun Stefan S Scherz Nathalie N Rosemann Thomas T Tandjung Ryan R Braun Ralph P RP

Medicine 20170301 10

Skin cancer screening has undoubted potential to reduce cancer-specific morbidity and mortality. Total-body exams remain the prevailing concept of skin cancer screening even if effectiveness and value of this method are controversial. Meanwhile, store and forward teledermatology was shown to be a reliable instrument for several diagnostic purposes mostly in specialized dermatology settings. The objective of this study was to evaluate most convenient mobile teledermatology interventions as instru ...[more]

PMID: 28272243

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Project description:Importance:Advances in smartphone photography (both quality and image transmission) may improve access to care via direct parent-to-clinician telemedicine. However, the accuracy of diagnoses that are reliant on parent-provided photographs has not been formally compared with diagnoses made in person. Objective:To assess whether smartphone photographs of pediatric skin conditions taken by parents are of sufficient quality to permit accurate diagnosis. Design, Setting, and Participants:A prospective study was conducted among 40 patient-parent dyads at a pediatric dermatology clinic at the Children's Hospital of Philadelphia from March 1 to September 30, 2016, to assess concordance between diagnoses made by an independent pediatric dermatologist based on in-person examination and those based on parental photographs. Half of the patient-parent dyads were randomized for a secondary analysis to receive instructions on how best to take photographs with smartphones. Clinicians were blinded to whether parents had received photography instructions. Exposures:Half of the patient-parent dyads received a simple, 3-step instruction sheet on how best to take photographs using a smartphone (intervention group); the other half did not (control group). Main Outcomes and Measures:Concordance between photograph-based vs in-person diagnosis in the intervention vs control groups, as quantified using Cohen ?, a measure of interrater agreement that takes into account the possibility of agreement occurring by chance. Results:Among the 40 patient-parent dyads (22 female children and 18 male children; mean [SD] age, 6.96 [5.23] years), overall concordance between photograph-based vs in-person diagnosis was 83% (95% CI, 71%-94%; ??=?0.81). Diagnostic concordance was 89% (95% CI, 75%-97%; ??=?0.88) in a subgroup of 37 participants with photographs considered of high enough quality to make a diagnosis. No statistically significant effect of photography instructions on concordance was detected (group that received instructions, 85%; group that did not receive instructions, 80%; P?=?.68). In cases of diagnostic disagreement, appropriate follow-up was suggested. Conclusions and Relevance:Parent-operated smartphone photography can accurately be used as a method to provide pediatric dermatologic care. Trial Registration:clinicaltrials.gov Identifier: NCT03246945.

Dataset Information

Mobile teledermatology for skin cancer screening: A diagnostic accuracy study.

Publications

Mobile teledermatology for skin cancer screening: A diagnostic accuracy study.

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