Macular lesion on a leg.

A 42-year-old woman consulted for this lesion localized on her left leg.

Dermoscopic evaluation revealed sharply focused elongated and serpentine telangiectasias on an whitish-yellowish structureless area in favor of a necrobiosis lipoidica.

A biopsy confirmed diagnosis.

Reference: Dermoscopy of necrobiosis lipodoidica and granuloma annulare. R. Pellican and al. Dermatology 2013; 226: 319-23

ground

A 32-year-old man consulted for this enlarging pigmented lesion.

Clinical presentation: multiple couleurs, asymmetry

Dermoscopy revealed:

• multiple colors
• irregular dots
• pink structureless area
• irregular blotch
• regression

This lesion was easily diagnosed superficial spreading melanoma.

Pathology revealed a superficial spreading melanoma with a Breslow index at 0.5mm