History: 5654aw This lesion has been slowly growing over a period of 16 years. Never previously biopsied or treated. Clinically lentigo maligna melanoma. Biopsies taken from 3 areas across the lesion. The dermatoscope image is from the central area showing the blue colour of deep dermal melanin.

Description: Lentigo maligna

Comments: Invasive malignant melanoma is present in all 3 biopsies. The presence of some lentigo maligna at the edge of specimen 3 allows the designation of lentigo maligna melanoma. The thickness of the invasive component in the three biopsies varies between 0.6mm and 1.2 mms.