J Korean Neurosurg Soc.  1985 Dec;14(4):717-720.

Dorsal Root Entry Zone Lesion for Intractable Pain

• Park YS
• Ji C
• Ahn MS
• Choi CP
• Sung JU

Abstract

Intractable pain was controlled in 5 cases using dorsal root entry zone lesions. All patients had failed to conservative therapy. Dorsal root entry zone lesions were made to include the involved dermatomes added one half of the dermatomes above and below the painful areas. Four patient noticed good pain relief with follow up period ranging from 6 to 24 months. Patient whose lesions were performed using a CO2 laser mas suffered no complicated deficit. Dorsal root entry zone lesions appeared to be a satisfactory treatment for intractable pain in patients, who have failed to respond to more conservative mode of therapy.

Keyword

Intractable pain; Evoked potential; Dorsal root entry zone lesion

MeSH Terms

Evoked Potentials
Follow-Up Studies
Humans
Lasers, Gas
Pain, Intractable*
Spinal Nerve Roots*