“…In physical examination, the skin is red, warm and swelling can be detectable which is very similar to cellulites [2]. Necrosis will happen after several days or weeks -as a result of vascular thrombosis -and then the red discoloration of skin will changes to violet or black [7,8]. Anatomically, a layer of necrotic tissue that is not limited with infl ammatory reaction is characteristic for this infection, so the involved skin does not have clear margins [9].…”