Ulcerative pyoderma gangrenosum is a rare inflammatory disease with an incidence of 3–10 cases per million per year. 1 Consideration of the diagnosis is based on its classic morphological features: ...

Pyoderma gangrenosum is an ulcerating disorder of the skin with sterile neutrophilic inflammation that may be seen in up to 5% of patients with chronic ulceration of the legs. 1 Typically painful, it ...

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