A pilot study of a combined dermoscopic-pathological approach to the telediagnosis of melanocytic skin neoplasms
We examined a combined (dermoscopic-pathological) approach to the telediagnosis of melanocytic skin lesions. A store-and-forward teleconsultation was simulated. Dermoscopic and histopathology images from 12 melanocytic lesions were stored in a telepathology workstation. A dermoscopy consultant, a histopathology consultant and an expert in dermoscopic-pathological correlation gave their diagnoses and comments on the images. The consensus diagnosis between two teleconsultants on the original histological slides was regarded as the gold standard. The diagnostic accuracy was 83% (including one false negative diagnosis of malignancy) for teledermoscopy and 100% for teledermatopathology. The combined approach detected one case that showed a much greater atypia on dermoscopy than on histopathology. In this case step-sections of the sample were deemed to be required for definite diagnosis. The combined approach was helpful in detecting macroscopic and microscope sampling errors of melanocytic lesions during teleconsultation.
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