An ugly duckling

A 26-year-old woman consulted for many moles. One of them was considered "an ugly duckling".

Dermoscopy revealed:

• an irregular blotch
• asymmetry of form
• chrysalis-like structures

Pathology revealed a superficial spreading melanoma (SSM) with a Breslow index at 0,6mm

A 41-year-old woman was examined for this lesion on her right thigh.

Dermoscopy revealed:

• a multicomponent pattern
• a reticular depigmentation  
• chrysalis-like structures
• polymorphous vessels including corkscrew vessels

Pathology revealed a superficial spreading melanoma with a Breslow index at 0.54mm