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 ...
Pyoderma gangrenosum is a diagnosis of exclusion, and the misdiagnosis of pyoderma gangrenosum can result in substantial complications in patients who have other causes of severe cutaneous ulceration.