THE Z-plasty is an effective weapon in surgical forays against a multitude of defects upon and beneath the body surface.1,2 Fundamentally, a Z-plasty may perform any (or all) of four functions, which are (1) to increase (or decrease) length, (2) to break up a straight line, (3) to shift topographic features from one site to another, and (4) to efface or to create a web or a cleft. In a figurative sense, the first three functions take place on a single plane and are two dimensional, whereas the fourth function involves two separate planes and is three dimensional.
Lengthening (Fig 1 and 2).
—When a bri dle-like contracture steals length and robs function, the problem can be solved by paying normal (or at least extensible) tissue into the defect through a Z-plasty or a series of Z-plasties. The central limb of the Z is plotted along the line of
Furnas DW. The Four Fundamental Functions of the Z-Plasty. Arch Surg. 1968;96(3):458-463. doi:10.1001/archsurg.1968.01330210136027