Case 11 Male, 65 years. Pigmented lesion arising in 'naevus spilus' 7 cm in diameter.Show diagnosis & comments
Superficial spreading melanoma in speckled lentiginous naevus
A rare example of malignant transformation arising in a speckled lentiginous naevus. Biopsies of other areas of this large lesion showed the characteristic background lesion (lentiginous melanocytic proliferation with focal nesting and spread to the dermis, i.e., with multiple junctional and compound naevi).