Description: Dermoscopic irregular network

History:

Fitzpatrick type 3 skin, sun worshipper. Lesion noted to be enlarging over three months.

Dermoscopic examination

 

3 point check list 3/3 (Asymmetry, Atypical network and Blue-white structures).

 

Pattern Analysis

Global-Non specific pattern and a multi-component appearance (areas of network, dots and globules, and diffuse hyperpigmented and hypopigmented areas).

 

Melanoma specific local features include atypical network, irregular dots and globules, irregular blotches and blue-white structures.

Therefore both 3 point checklist and pattern analysis suggestive of melanoma.

 

Other dermoscopic features

5 or more colours are present.

White scar liked regressed areas. Homogeneous purple and black areas.