Asymmetric lesion with pink homogeneous areaA 68-year old man consulted for an atypical pigmented lesion on his left lumbar area.
Dermoscopy revealed a melanocytic lesion characterized by:
- asymmetry
- an atypical pigment network
- a pink homogeneous area
- a white area of regression
- linear-irregular vessels
- polymorphous vessels
Polymorphous and linear-irregular vessels
Atypical pigment network (circle)
White area of regression (circle)
This lesion was highly suspicious of melanoma and excised.
Pathology revealed a superficial spreading melanoma (SSM) in situ developed on a melanocytic nevus developed on a melanocytic nevus
