▁care ▁prov iders ▁and ▁lay pers ons ▁remember ▁the ▁key ▁characteristics ▁of ▁a ▁mel an oma ▁( see ▁" ABC DE " ▁m nem onic ▁below ). ▁Ch anges ▁( in ▁shape , ▁size , ▁color , ▁it ch ing ▁or ▁ble eding ) ▁should ▁be ▁brought ▁to ▁the ▁attention ▁of ▁a ▁der mat ologist ▁. ▁ ▁A ▁popular ▁method ▁for ▁remember ing ▁the ▁signs ▁and ▁sympt oms ▁of ▁mel an oma ▁is ▁the ▁m nem onic ▁" ABC DE ": ▁ ▁As ym met rical ▁skin ▁les ion . ▁ ▁Border ▁of ▁the ▁les ion ▁is ▁irregular . ▁ ▁Color : ▁mel an omas ▁usually ▁have ▁multiple ▁colors . ▁ ▁Diam eter : ▁mol es ▁greater ▁than ▁ 6   mm ▁are ▁more ▁likely ▁to ▁be ▁mel an omas ▁than ▁smaller ▁mol es . ▁ ▁E volution : ▁The ▁evolution ▁( i . e . ▁change ) ▁of ▁a ▁mole ▁or ▁les ion ▁may ▁be ▁a ▁hint ▁that ▁the ▁les ion ▁is ▁becoming ▁m align ant . ▁ ▁The ▁E ▁is ▁sometimes ▁omitted , ▁as ▁in ▁the ▁ABC D ▁guid eline . ▁A ▁weak ness ▁in ▁this ▁system ▁is ▁the ▁D . ▁Many ▁mel an omas ▁present ▁themselves ▁as ▁les ions ▁smaller ▁than ▁ 6   mm ▁in ▁diameter . ▁ ▁An ▁ast ute ▁phys ician ▁will ▁examine ▁all ▁ab normal ▁mol es , ▁including ▁ones ▁less ▁than ▁ 6   mm ▁in ▁diameter . ▁Unfortunately ▁for ▁the ▁average ▁person , ▁many ▁se bor r he ic ▁ker atos es , ▁some