Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive ulceration of the skin. Initially, it is frequently mistaken for cellulitis. While it can be associated with a number of systemic diseases, it is most commonly linked to inflammatory bowel disease. This patient suffers from Crohn's Disease. Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images #Clinical #Photo #Dermatology #SkinRash #Pyoderma #Gangrenosum #UCSDH
