Tucson, Ariz.

From the Arizona Cancer Center and the Department of Pathology, University of Arizona School of Medicine, and the Institute for Plastic Surgery and Peripheral Nerve Surgery, University of Arizona.

Received for publication July 17, 2007; accepted October 5, 2007.

The first two authors contributed equally to the creation of this article.

Ziv M. Peled, M.D.; Institute for Plastic Surgery and Peripheral Nerve Surgery; 2345 Balboa Street; San Francisco, Calif. 94121; zpeled@dellon.com

Disclosure: A. Lee Dellon, M.D., Ph.D., is the owner of the Dellon Institutes for Peripheral Nerve Surgery and inventor of the Pressure-Specified Sensory Device. Otherwise, none of the authors has a financial interest in any of the products, devices, or drugs mentioned in this article.