▁nev us , ▁at yp ical ▁nev us , ▁B - K ▁mole , ▁Clark ' s ▁nev us , ▁d ys pl astic ▁mel an oc yt ic ▁nev us , ▁or ▁nev us ▁with ▁architect ural ▁dis order . ▁ ▁D ys pl astic ▁ne vi ▁often ▁grow ▁to ▁larger ▁than ▁ordinary ▁mol es , ▁and ▁may ▁have ▁irregular ▁and ▁ind ist inct ▁borders . ▁Their ▁color ▁may ▁not ▁be ▁uniform , ▁and ▁may ▁range ▁from ▁light ▁p ink ▁to ▁very ▁dark ▁brown . ▁They ▁usually ▁begin ▁flat , ▁but ▁parts ▁may ▁be ▁raised ▁above ▁the ▁skin ▁surface . ▁See ▁ABC DE ▁and ▁" ug ly ▁du ck ling " ▁characteristics ▁below . ▁ ▁D ys pl astic ▁ne vi ▁can ▁be ▁found ▁anywhere , ▁but ▁are ▁most ▁common ▁on ▁the ▁tr unk ▁in ▁men , ▁and ▁on ▁the ▁cal ves ▁in ▁women . ▁ ▁There ▁is ▁some ▁controvers y ▁in ▁the ▁der mat ology ▁community ▁as ▁to ▁whether ▁or ▁not ▁the ▁" d ys pl astic " /" at yp ical " ▁nev us ▁exists . ▁Some ▁have ▁argued ▁that ▁the ▁terms ▁" d ys pl astic " ▁and ▁" at yp ical " ▁only ▁refer ▁to ▁di agnostic ▁uncertainty , ▁as ▁opposed ▁to ▁bi olog ic ▁uncertainty , ▁and ▁that ▁the ▁les ion ▁is ▁either ▁a ▁nev us ▁or ▁mel an oma ▁from ▁the ▁very ▁beginning , ▁as ▁opposed ▁to ▁some ▁kind ▁of ▁" pre m align ant ▁stage "; ▁it ▁is ▁only ▁the ▁clin ician ▁who ▁is ▁uns