Melanoma is nowadays an important public health problem because its growing incidence. Mass screening for melanoma is not recommended worldwide because of its low cost-effectiveness. Nevertheless targeted screening for patients at high risk for melanoma is promoted. This study is designed to assess the effectiveness and the acceptability of a melanoma targeted screening of melanoma, to estimate the risk function to develop a melanoma among patients at high risk according to the SAMScore and to estimate the ratio cost/ efficacy of the melanoma targeted screening. A cohort of 7700 patients is carried out in 2 departments covered by a registry of cancers. The recruitment had began in April 2011. Patients assessed at high risk according to the SAMScore were proposed a skin examination by their GP every year.

Inclusion Criteria:

• patients more than 18 years old,
• consulting their GP,
• assessed at risk for melanoma according to the SAMScore
• signed the consent.