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. 2003 Jul-Aug;25(3-4):207-9.
doi: 10.1007/s00276-003-0108-z. Epub 2003 May 14.

Topographical anatomy on the communicating branch between the spinal accessory nerve and the anterior root of the first cervical nerve

C S Oh  1 , I H Chung, K S Lee
Affiliations

Topographical anatomy on the communicating branch between the spinal accessory nerve and the anterior root of the first cervical nerve

C S Oh et al. Surg Radiol Anat. 2003 Jul-Aug.

Abstract

The aim of this study was to clarify the morphological characteristics of the communicating branch between the spinal accessory nerve and the anterior root of the first cervical nerve (McKenzie branch), a structure severed during intradural selective rhizotomy for treatment of spasmodic torticollis. The right and left sides of 50 upper cervical segments of spinal cords were dissected and examined under a surgical microscope. Seven of the total 100 samples were found to have the McKenzie branch. Two types of McKenzie branch, which run close to the vertebral artery, were also identified, which might be helpful for improving the surgical results of intradural selective rhizotomy.

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