Table 2 PG diagnostic criteria [23, 24]
From: Genital pyoderma gangrenosum revealing Behçet’s disease: a case report
PG is retained: 2 major criteria + at least 2 minor criteria | |
|---|---|
Major criteria • A sterile pustule or cutaneous ulcer with undermining purplish border. • Other causes of cutaneous ulceration are excluded. | |
Minor criteria • Histology: Demonstrating neutrophilic infiltrate and vasculitis. • Associated with compatible systemic disease. • A treatment response to immunosuppressive medication and absence of response to the classical treatment of ulcers. • A phenomenon of pathergy • A pain with a visual analog scale (+ 4). |