Description: Macroscopically this can only be melanoma.

History: 58 year old man, no past history but multiple atypical naevi. Patient considered this lesion to be longstanding and not changing, referred by his GP for assessment. Histology reported as; Sections show a Level 2 (0.5mm thick) superficial spreading melanoma arising in a benign intradermal naevus. There is no ulceration or dermal mitoses. There is a heavy lymphocytic infiltrate with prominent old regression. Reported by Dr David Weedon