Answer to Gory Medical Challenge.

(Scroll down to see the challenge)

The Answer to the gory image from NEJM is #2, Ischemic gangrene.

This patient had a 4 month history of progressive gangrene.  Untreated diabetes can lead to lack of blood flow to extremities which causes the tissue to die.  This foot will require amputation.  Readers of EverythingHealth are smart and many of you got the answer.