Description: Multiple colours, multiple patterns. Polymorphous vessels noted in lighter area to right. Negative network centrally.

History: Solitary lesion on back noted to be enlarging over the previous 6 months by wife. No relevant past or family history. Histology reported as; Sections show a dysplastic naevus of early compound type. There is mild to moderate atypia of junctional melanocytes but good maturation of dermal cells. There is no evidence of malignancy.