Announcing a diagnosis of cutaneaous melanoma is a complex moment of medical activity and has some specificities due to the disease, but also to its management. After defining these aspects, the article deals with the principals steps and elements, including communicative ones, of this form of announcement. Its aim is above all practice: it is proposing some guidelines drawn from official recommendations and recent works on the physician-patient relationship in oncology, aiming at helping health professionals in this field.