A 72-year-old patient consulted for many pigmented lesions on his back. Most of them were seborrheic keratoses...........
- a multi- colored pattern
- a sharp demarcation
- an atypical reticular network
- a blue white veil
This lesion was excised and pathology revealed a superficial spreading melanoma (Breslow index 0.72mm) developed on a melanocytic nevus