We assessed the accuracy and reliability of teledermatoscopy with images taken by a general practitioner (GP) compared to face-to-face dermatological examination. GPs selected patients for teledermatoscopy and took both macro and dermatoscopic photographs. Patients were then referred to the local dermatologist for face-to-face examination. Accuracy and inter-observer reliability were calculated for the diagnosis and management plan. Image quality was rated by two observers on a three-point scale. A total of 108 teledermatoscopy consultations sent by 13 GPs were assessed by four dermatologists. Agreement was 0.61 (kappa) on diagnostic group and 0.23 on management plan. The inter-observer reliability was 0.65 on diagnostic group and 0.36 on management plan. The image quality was reported as bad in 36% of cases, reasonable in 28% and good in 36%. Agreement for cases with good quality images was 0.66 on diagnostic group and 0.42 on management plan. Teledermatoscopy in general practice had overall a lower accuracy and reliability than face-to-face consultation. In cases where a good quality image was reported, the accuracy increased, which emphasises that teledermatoscopy is highly dependent on a good quality images.
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