[Management of chronic ulcers: punch grafting].

Chronic ulcers are a common but important dermatological problem and a major source of expense in the western countries. Skin graft is a surgical procedure in which skin or skin substitute is transplanted in order to close a wound. This article aims to review the different categories of grafts, their indications for the healing of chronic ulcers of the lower limbs, emphasizing the position of punch grafts in the treatment arsenal.