Cutaneous melanoma represents 5% of all malignant tumors and its incidence has increased in recent years . Melanoma is aggressive due to its ability to metastasize in early stages of the disease. Early diagnosis is essential for a better prognosis. A four-stage scale (I, II, III, IV) has been proposed by the American Joint Committee on Cancer (AJCC) . PET/CT using FDG may have a role in some steps of the natural history of melanoma.
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