Dorsal root entry zone
Also found in: Acronyms.
Dorsal root entry zone (DREZ)
A type of nerve surgery for postherpetic neuralgia that is occasionally used when the patient can get no other pain relief. The surgery destroys the area where damaged nerves join the central nervous system, thereby interfering with inappropriate pain messages from nerves to the brain.
Mentioned in: Neuralgia
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.