cordotomy


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cordotomy

 [kor-dot´ah-me]
1. section of a vocal cord.
2. surgical division of the anterolateral tracts of the spinal cord. Spelled also chordotomy.

cor·dot·o·my

(kōr-dot'ō-mē),
1. Any operation on the spinal cord.
2. Division of tracts of the spinal cord, which may be performed percutaneously (stereotactic cordotomy) or after laminectomy (open cordotomy) by various techniques such as incision or radiofrequency coagulation.
3. Incision through the membranous portion of the vocal fold to widen the posterior glottis in bilateral vocal paralysis.
[G. chordē, cord, + tomē, a cutting]

cordotomy

/cor·dot·o·my/ (kor-dot´ah-me)
1. section of a vocal cord.
2. surgical division of the lateral spinothalamic tract of the spinal cord, usually in the anterolateral quadrant. Spelled also chordotomy.

cordotomy

or

chordotomy

(kôr-dŏt′ə-mē)
n.
1. An operation on the spinal cord.
2. Surgical division of tracts of the spinal cord, as for the relief of severe pain.

cordotomy

Pain management Surgery to cut fibers of the spinal cord; used to ↓ pain in Pts with intractable cancer-related pain

cor·dot·o·my

(kōr-dot'ŏ-mē)
1. Any operation on the spinal cord.
2. Division of tracts of the spinal cord, which may be performed percutaneously (stereotactic cordotomy) or after laminectomy (open cordotomy) by various techniques such as incision or radio frequency coagulation.
3. Incision through the membranous vocal fold to widen the posterior glottis in bilateral vocal paralysis.
Synonym(s): chordotomy.
[G. chordē, cord, + tomē, a cutting]

cordotomy

Partial severing of some of the nerve tracts in the spinal cord performed for the relief of severe and otherwise uncontrollable pain.

cordotomy

1. section of a vocal cord.
2. surgical division of the anterolateral tracts of the spinal cord. Not usually carried out in veterinary surgery.
References in periodicals archive ?
The radiofrequency of cervical percutaneous cordotomy is performed under local anesthesia with the patient awake and sedated.
The open cordotomy is a procedure that consists in an open laminectomy and the exposure of the first and second cervical segments of the cervical spinal cord, or the second and third segments of the spinal dorsal cord, and the section of the anterolateral quadrant of the medulla using a scalpel.
Schuller, in 1910, has performed a section at the anterolateral quadrant of the spinal cord in monkeys and called the procedure chordotomy or cordotomy, and suggested the treatment for gastric pain crises (29).
Martin at Spiller's investigation in 1911 performed the first anterolateral cordotomy for pain treatment in humans (31, 32).
In 1965, Rosomoff described percutaneous cervical cordotomy using radiofrequency (28).
Fonnoff and Teixeira (2007) demonstrated that it is possible to explore the anterior portion of spinal cord through endoscope by the same tube of needle or by a second hole specific for endoscope between C1 and C2 in order to proceed the percutaneous cordotomy by endoscopic visualization (3,37).
The target in cordotomy is the LST, which is located in the anterior portion of spinal cord (6,10,34,38,39).
Segmentation of fibers provides the opportunity for selective cordotomy, given that anteromedial lesions denervate the contralateral arm and upper chest region, whereas posterolateral lesions denervate the sacral and lumbar area.
Morphometric researches of spinal cord at the level of surgical approach have provide critical information pertaining to anatomical orientation for cordotomy.
Bilateral lesions of this region may cause sleep induced apnea, the most severe complication of cordotomy.
In general, the cordotomy is indicated for pain treatment of originated by cancer which unilaterally attacks distal segments affecting the cervical rostral region, in other words, lower limbs, hemi perineum, hemi abdomen, or hemi thorax and upper limbs (37).
In the literature there is a current opinion that cordotomy is indicated after long period morphine therapy (5,26,27).