Melanoma - or Mimic?

May 16, 2012

A 58-year-old man presented for care when he noticed a flat, dark area on his left upper arm. The lesion was set against a background of fairly severe photodamage. Family history was positive for melanoma (mother and 1 of 4 sisters). Click here for more details.

 


Case and photos courtesy of Ted Rosen, MD


A 58-year-old man presented for care when he noticed a flat, dark area on his left upper arm. The lesion was set against a background of fairly severe photodamage. Family history was positive for melanoma (mother and 1 of 4 sisters).

What two features of this lesion would lead you to suspect melanoma?

Please leave your comments below and click here for answer and discussion.