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Wednesday 10 December 2008

Blue-gray globules

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.