Abstract
Pyoderma gangrenosum sometimes takes a recalcitrant course that is unresponsive to standard immunosuppression with corticosteroids and/or cyclosporin A. In these cases improvement of painful ulcerations is a therapeutic challenge. We report a 17‐year‐old boy with severe pyoderma gangrenosum treated successfully with mycophenolate mofetil and autologous keratinocyte transplantation using an esterified hyluronic acid delivery system.

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