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AJNR Am J Neuroradiol. 2016 Nov;37(11):2138-2143. doi: 10.3174/ajnr.A4885. Epub 2016 Aug 18.

Is Hypoglossal Nerve Palsy Caused by Craniocervical Junction Degenerative Disease an Underrecognized Entity?.

AJNR. American journal of neuroradiology

S M Weindling, R D Goff, C P Wood, D R DeLone, J M Hoxworth

Affiliations

  1. From the Department of Radiology (S.M.W., R.D.G.), Mayo Clinic, Jacksonville, Florida [email protected].
  2. From the Department of Radiology (S.M.W., R.D.G.), Mayo Clinic, Jacksonville, Florida.
  3. Department of Radiology (C.P.W., D.R.D.), Mayo Clinic, Rochester, Minnesota.
  4. Department of Radiology (J.M.H.), Mayo Clinic Hospital, Phoenix, Arizona.

PMID: 27538906 PMCID: PMC7963795 DOI: 10.3174/ajnr.A4885

Abstract

Isolated hypoglossal nerve palsy is uncommon, and underlying craniocervical junction degenerative disease has rarely been reported as an underlying cause. To improve understanding of this entity, we present a retrospective series of 18 patients with hypoglossal palsy in whom twelfth cranial nerve compression within the premedullary cistern or hypoglossal canal, or both, was found secondary to craniocervical junction juxta-articular cysts, retro-odontoid fibrous pseudotumors, and osteophytes. The imaging techniques and characteristic craniocervical junction degenerative disease lesion imaging findings presented here might help clinicians interpreting hypoglossal palsy imaging studies avoid perceptual and interpretive errors commonly found in the present series.

© 2016 by American Journal of Neuroradiology.

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