Medical Challenge

I've been too busy to blog but not too busy to keep up with the New England Journal of Medicine.  Here is your medical quiz for the week.

What is the diagnosis for this finger lesion?  Make your best guess and the answer will be posted tomorrow.  Click on the image for a better view.

1. Anthrax
2.  Cellulitis
3.  Lichen planus
4. Psoriasis
5. Tinea