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Case Reports
. 2004 Jul;27(3):168-72.
doi: 10.1007/s10143-004-0329-6. Epub 2004 Apr 2.

Circumferential decompression of the foramen magnum for the treatment of syringomyelia associated with basilar invagination

Frederic P Collignon  1 , Aaron A Cohen-Gadol, William E Krauss
Affiliations
Case Reports

Circumferential decompression of the foramen magnum for the treatment of syringomyelia associated with basilar invagination

Frederic P Collignon et al. Neurosurg Rev. 2004 Jul.

Abstract

Posterior fossa decompression utilizing suboccipital craniectomy and duraplasty remains the standard surgical treatment for Chiari-associated syringomyelia. In the presence of basilar invagination, anterior decompression, typically transoral odontoidectomy, or posterior decompression may be performed. We report two cases in which anterior and posterior (circumferential) decompression of the foramen magnum was used to treat cervical syringomyelia successfully. These cases demonstrate that circumferential decompression of the foramen magnum may be necessary in some cases of cervical syringomyelia associated with basilar invagination and Chiari malformation.

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