ure . ▁Some ▁have ▁also ▁argued ▁that ▁even ▁if ▁such ▁ne vi ▁do ▁exist , ▁studies ▁have ▁shown ▁that ▁clin icians ▁are ▁unable ▁to ▁reli ably ▁identify ▁them ▁anyway , ▁meaning ▁there ▁is ▁no ▁point ▁to ▁even ▁using ▁the ▁concept . ▁ ▁Can cer ▁risk ▁As ▁seen ▁in ▁C au cas ian ▁individuals ▁in ▁the ▁United ▁States , ▁those ▁with ▁d ys pl astic ▁ne vi ▁have ▁a ▁lifetime ▁risk ▁of ▁developing ▁mel an oma ▁of ▁greater ▁than ▁ 1 0 %, ▁compared ▁to ▁less ▁than ▁ 1 % ▁for ▁those ▁without ▁any ▁d ys pl astic ▁nev us . ▁ ▁Pre ca ution ▁for ▁individuals ▁with ▁d ys pl astic ▁ne vi ▁ ▁Although ▁there ▁are ▁limited ▁data ▁to ▁support ▁its ▁effic acy , ▁skin ▁self - ex am ination ▁is ▁frequently ▁recommended ▁for ▁prevent ing ▁mel an oma ▁( by ▁ident ifying ▁at yp ical ▁mol es ▁that ▁can ▁be ▁removed ) ▁or ▁for ▁early ▁detection ▁of ▁existing ▁tum ors . ▁Ex am ination ▁by ▁a ▁der mat ologist ▁has ▁been ▁shown ▁to ▁be ▁benef icial ▁for ▁early ▁mel an oma ▁detection . ▁Some ▁der mat olog ists ▁recommend ▁that ▁an ▁individual ▁with ▁either ▁hist olog ic ▁diagn osis ▁of ▁d ys pl astic ▁nev us , ▁or ▁clin ically ▁apparent ▁at yp ical ▁mol es ▁should ▁be ▁exam ined ▁by ▁an ▁experienced ▁der mat ologist ▁with ▁der mat os copy ▁once ▁a ▁year ▁( or ▁more ▁frequently ). ▁ ▁The ▁abbre viation ▁ABC DE ▁has ▁been ▁useful ▁for ▁helping ▁health