Description: Blue-white structures, atypical pigment network, irregular blotches and irregular streaks.

History: This lesion is on the leg of a lady. A pre-existing mole has started to change gradually.The pathology showed a melanoma: SSM type,Melanoma level 3 Breslow 0.6mm Dermoscopic description: Blue-white structures, atypical pigment network, irregular blotches and irregular streaks. Case from Siberia.