The Use of Skin Expansion to Repair Cosmetic Defects in Animals

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Abstract
Skin expansion was used in three horses, one heifer, and one dog to aid in the repair of cosmetic defects. Skin expansion was produced by inserting an expandable silicone device subcutaneously and gradually inflating the device with saline. Skin expansion allowed skin to be mobilized and sutured over cosmetic defects without excessive tension. A successful outcome was achieved in four of the five cases reported here. In one animal, two attempts to create a pocket for a silicone prosthesis failed because the expanders ruptured. Complications included implant failure, wound dehiscence, and exposure of an expander. Skin expansion can be used to enable closure of skin defects in areas where skin tension usually precludes repair by local transposition.