Correction of Cryptotia With Double Z-plasty:Modified Large Z-plasty Technique.

Some cases of moderate or severe cryptotia are accompanied by a shortage of the helix. Although various operative techniques for correcting cryptotia have been reported, elongation of the helix is not considered in most of those techniques. In cases of a shortage of the helix, a drooped wide helix like a constricted ear or a cranially and posteriorly hypoplastic ear, which is characteristic of cryptotia, can appear after surgery if the helix has not been elongated. We previously reported a large Z-plasty technique that has become one of the popular techniques for correcting cryptotia. However, satisfactory results are not always achieved by using this technique in cases with a shortage of the helix. We developed a new technique (double Z-plasty) in which a small Z-plasty in the helical rim is added to the usual large Z-plasty technique. An improved helical shape and enlargement of the ear can be achieved by using this technique. Almost all types of cryptotia can be treated by appropriately using the large Z-plasty and double Z-plasty techniques.