Pyoderma gangrenosum was first described as an extraintestinal manifestation of inflammatory bowel disease (IBD) by Brunsting and colleagues in 1930. 1 They described painful enlarging necrotic ulcers ...

Next is superficial pyoderma, which clinicians see most often. Signs include folliculocentric pustules and spreading crusts; hair often becomes trapped in the crust and falls out. Clients often do not ...