Cutaneous malignant melanoma originates from neoplastic proliferation of melanocytes. Due to its early lymphogenic and haematogenic metastazing, melanoma belongs to the most malignant tumors.
The patient's prognosis is significantly dependent on tumor thickness and this is a reason why the early diagnostics is essential for the favourable disease outcome. Accuracy of the melanoma clinical diagnostics has been enhanced by introduction of dermoscopy, particularly by its digital form, which is able to improve the accuracy of the clinical decision from usual 70 to more than 95 % for a trained dermatologist