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Published on Apr 28, 2011
Videos for medical students, undergraduates . model for Lid surgeries.
A Z-plasty is a flap rearrangement procedure used to correct skin shortening due to a focal linear scar. The transposition of two flaps of skin cut in a defined configuration increases the length of the scar line at the expense of shortening skin at right angles to it. The planned Z-shaped incision is fashioned by drawing a line from each end of the scar line to form a 60° angle with it. Each of these lines should be equal in length to the scar line itself. The skin flaps are cut and extensively undermined beneath the surrounding tissue. Any obvious scar tissue should be excised. The triangular skin flaps are transposed and closed with 6-0 sutures