when to biopsy?

this was sent from my freind. i know the pic is blurred (mobile pic) he noticed this lesion for 3 weeks not painful no hx of trauma before , it started as such, no previos lesion.
so somone told him that it needs to be biopsied  (it could be cancer)! he was worried . since he s living in [...]

white mirage

 
 
 i had this patient a teenager with skin type 5 who was so depreesed cuz of her color. she is the darkest among 4 sisters all of whome r white. she was called names since she was young and apparently she doesnt go to parties no more and going through depresion.
 then i saw this article, and couldnt [...]