Cervical s omatectomy
FABIO TRESOLDI
Cervical corpectomy or somatectomy is a complex surgical procedure which involves the removal, by means of a high-speed drill, of two thirds of the body of one or more cervical vertebrae and of the entire interbody disc between them. This technique, which involves an anterior approach to the cervical spine, is used by expert surgeons with a dual purpose. The first is to obtain a mechanical decompression of the spinal vertebral canal by making a real anterior opening of the same. This has the immediate effect of improving the vascularization of the structures contained within it, that is, the cervical tract of the spinal cord. This is made possible by the fact that the main vascular axis of the spinal cord is essentially represented by the anterior spinal artery, which is located on the front of the medullary surface. The second purpose is to recover a correct shape of the cervical spine which ideally is that of a harmonic anterior curve, called lordosis.
This procedure, therefore, finds its most correct indication in all those forms of extrinsic compression of the cervical nervous structures (medulla and roots), caused by the exuberant arthritic disc and marginal-somatic degeneration; this condition, when accompanied by a deficient neurological symptomatology, is defined as cervical spondylogen myelopathy. The technique can also be extended to selected cases of important ankylotic modifications of the physiological cervical lordosis. Only through an anterior approach, in fact, and with the removal of large segments of degenerated vertebrae, it is possible to recover a more correct shape of the spine. This last aspect is very important in the genesis of multiple situations of cervical pain, often accompanied by a dizzying accessory symptomatology up to balance difficulties. In summary, cervical somatectomy is a certainly complex technique that requires a long learning curve on the part of the operators, but able to offer the surgeon the real possibility of an effective remodeling of the diameters of the cervical spinal canal and to restore the physiological harmony of the cervical spine.
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