Medical Quiz - What's the Diagnosis?

Here is this weeks Medical Challenge from the New England Journal of Medicine. If you look at ears (especially on men) you will often see something like this. What is the diagnosis? (click on image for a better view) 1. Basal-cell carcinoma2. Granuloma fissuratum3. Melanoma4. Seborrheic keratosis5. Squamous Cell Carcinoma Make your guess and the answer will be posted tomorrow!