“…5. 8] or nevus counting on the whole body [9,10,12,13,19,30], restriction to a few categories of numbers instead of exact counting [28], exclusion of lesions with a diameter less than 2 mm [11] or 3 mm [ 10], studies concerning the differ ent ages or races [4 .5 ,9 , 12, 19] make direct comparisons quite impossible. In table 3, the number of investigated patients, age, origin, mean nevus count and the special conditions in the studies concerning nevus count are listed.…”