Trends in melanoma incidence keep on increasing in most countries all over the world. The average annual increase of rates during 1960-1980 ranges from 3% to 9% in most cancer registries [6]. In Granada, the average annual increase of incidence rates accounts for some 4% for both sexes during 1985-1992.

The increase of trunk tumours in males is specially relevant. All what has been mentioned above, together with the presence of melanomas in given body sites, such as females� trunks, highlight the importance of changing social habits, e.g. recreational sunlight exposure of body areas that are usually covered [6, 23, 24].