Description: Lesion has patterns of lines reticular and brown dots. Structureless area to left of centre, and segmental lines radial top right.

History: 79 year old woman with past history of BCCs. This lesion noted at routine review. Histology reported as; Sections show level 1 superficial spreading malignant melanoma with regression arising a junctional and lentiginous dysplastic naevus. There is no ulceration and no definite dermal invasion is seen.