Houston Methodist. Leading Medicine

Neck FAQ

Question:

Next week I am going to have a cervical fusion of my C4,5 spine. Everything has been explained to me. And I understand how microscopic surgery is done using an endoscope. The surgeon showed me the tiny channel used to insert tools to complete the operation. But how does the surgeon get the channel in the first place?

Answer:

Surgeons rely on a variety of tools to help with spinal surgery. There is always a risk of puncturing blood vessels, spinal nerves, or the spinal cord. Problems of this type must be avoided at all costs.

Endoscopic surgery has been around for a while but its use has been fairly limited in the cervical spine. The close proximity of the blood and nerve supply to vital structures makes this a procedure with some increased risk.

First, the surgeon can use (but does not rely on) his or her knowledge of the local anatomy. Knowing where to make the incision to insert the scope is important. The surgeon must be careful not to damage the thyroid or vocal chords.

Second, a special X-ray called fluoroscopy helps guide the first channel into place. A C-arm apparatus encircles the area sending X-ray images to a computer screen for viewing.

Once the endoscopic channel is in place, then the surgeon can pass instruments down through the channel to the area of concern. A tiny TV camera on the end of the scope continues to broadcast pictures to the computer screen. The surgeon continues to navigate based on an understanding of the anatomy and both fluoroscopic and endoscopic images sent to the computer screen. Jiangwei Tan, MD, et al. Anterior Cervical Discectomy and Interbody Fusion By Endoscopic Approach: A Preliminary Report. In Journal of Neurosurgery. January 2008. Vol. 8. No. 1. Pp. 17-21.

*Disclaimer:* The information contained herein is compiled from a variety of sources. It may not be complete or timely. It does not cover all diseases, physical conditions, ailments or treatments. The information should NOT be used in place of visit with your healthcare provider, nor should you disregard the advice of your health care provider because of any information you read in this topic.
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