**5. Factors of the risk and clinical picture**

The clinical recognition of melanoma, and in particular of early melanoma, may be challenging, even for the most experienced dermatologist. It has been estimated that the sensitivity of the clinical diagnosis of experienced dermatologists is approximately 70% [13]. However, the use of diagnostic aids such as dermoscopy, which requires some training, may greatly improve the sensitivity and specificity of the clinical diagnosis [14].
