pyoderma gangrenosum

Last reviewed 01/2018

Pyoderma gangrenosum is an uncommon, ulcerative skin condition which is accompanied by systemic disease in half of cases.

• lesions begin in the dermis with secondary necrosis of the epidermis
• the first sign is a pustule with surrounding erythema
• with time an ulcer develops
• the walls of the ulcer are blue and well defined
• there may be systemic symptoms and signs such as:
• fever
• myalgia
• arthralgia

Click here for example images of this condition