Teaching Cases
History
Case 6 69 y.o man with pigmented skin lesion in his left lumbar area. He was unaware of this lesion.He has no history of melanoma.He had several NMSCs excised previously.
Question: What is your provisional diagnosis? (Consider Superficial BCC, Dysplastic junctional nevus,Irritated solar lentigo,Melanoma in situ and Pigmented actinic keratosis.)