A 68-year-old man consulted for an ulcerated burgeoning tumor on his right calf.Clinically, many diagnoses were possible: amelanotic melanoma, basal cell carcinoma, squamous cell carcinoma, Merckel carcinoma.
Dermoscopy revealed an homogeneous pattern with arborizing tree vessels in favor of a basal cell carcinoma which was confirmed by a biopsy.
