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Table 1 The different clinical types of PG

From: Pyoderma gangrenosum – a review

Clinical variants Typical findings
Ulcerative PG Ulceration with rapidly evolving purulent wound ground
Pustular PG Discrete pustules, sometimes self-limited, commonly associated with inflammatory bowel disease
Bullous PG Superficial bullae with development of ulcerations
Vegetative PG Erosions and superficial ulcers