A 67-year-old woman consulted for this lesion on her back. Dermoscopy revealed blue-gray globules (rectangle) and some arborizing vessels (arrows) confirming easily the diagnosis of basal cell carcinoma.
Blue-gray globules are a pathognomonic sign in pigmented basal cell carcinoma.
They are often associate with other basal cell carcinoma specific criteria, as leaf-like structures,
spoke-wheel areas and large blue-gray ovoid nests.