The colour of cancer

Jason Tong
BSc, Candidate MBBS

A/Prof Cliff Rosendahl MBBS, PhD, FSSCA

Both authors affiliated with University of Queensland,

COLOUR is a very important dermatoscopic clue. Melanin is a very efficient pigment and it blocks the red colour of deeper haeme and absorbs all incidental light, so when it is present on the surface of the skin, at the level of the stratum corneum, it appears black.

The dermoepidermal junction is the location of most of the melanin in naevi and solar