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.

Pyoderma gangrenosum (PG) is a rare autoimmune dermatosis considered to be one of the ... Consequently, the biological agent was switched to adalimumab (anti–TNF-α antibody) in the older woman, who ...