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[The surgical treatment of thin melanoma].

Examination of more than 700 cutaneous melanoma cases, the authors have identified 19 so-called thin melanomas, which have evolved in the long time in metastases. Two tumor distinctive features, vascularization and regression, correlated between them, seem to be particularly important in outlining the future tumor behavior, and so these two parameters must be analysed and included in the histological report. In these cases it is undoubted the need to make a strict surveillance protocol, also more than 10 years. According to our opinion, surgical treatment can immediately provides, in selected cases, the use of sentinel lymph node technique or the integration with other therapies (immuno-treatment).