Description: Macro shows well defined variegated plaque

History: Progressively enlarging pigmented lesion on thigh. Past history BCCs. Histolgy Reported as: Sections confirm level 3 (vertical growth phase) superficial spreading malignant melanoma. It is non-ulcerated and has a Breslow thickness of approximately 0.7mm. Occasional dermal mitoses are evident. There is evidence of both active and established past regression. No lymphovascular or perineural infiltration is seen. There is an underlying benign naevus present.