Also found in: Acronyms.
DREZDorsal root end zone Neurology A CNS pathway that may be surgically sectioned to relieve chronic pain–eg, anterolateral cord and trigeminal tract; DREZ lesions are produced by thermal coagulation or laser, and relieve 65-70% of intractable pain associated with brachial and lumbar plexus avulsion and spinal cord trauma
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