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We evaluated the use of a 4G smart phone for mobile teledermatology. A dermatologist took pictures of skin images with a mobile phone (8 Mpixel camera resolution) and made a face-to-face diagnosis. The images were transmitted to a second dermatologist who viewed them on a similar mobile phone and made an independent diagnosis for comparison. Images were taken and transmitted only after receiving informed consent from the patients. A total of 166 consecutive patients were included in the study (97 male and 69 female). A questionnaire to assess patient satisfaction was administered to each patient. Most of the responders were highly satisfied with teledermatology. However, 23 patients (14%) refused photography of the skin lesions (21 female and 2 males). The main reasons for refusal to be photographed were stated as social or religious. The broad categorical diagnostic and management concordance (i.e. when considering at least one of the diagnoses to be similar) was 95%. Specific diagnostic concordance varied according to the disease. The average kappa coefficient was 0.66 for diagnostic concordance and 0.82 for management concordance. Refusal to be photographed--a problem not limited to teledermatology--needs to be considered when designing teledermatology protocols for larger scale implementation in areas like the Middle East.
Kaliyadan et al. (Sun,) studied this question.