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World J Radiol. 2015 Oct 28;7(10):357-60. doi: 10.4329/wjr.v7.i10.357.

Delayed diagnosis of isolated alar ligament rupture: A case report.

World journal of radiology

Robin A Kaufmann, Ingo Marzi, Thomas J Vogl

Affiliations

  1. Robin A Kaufmann, Thomas J Vogl, Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Goethe University, D-60590 Frankfurt am Main, Germany.

PMID: 26516433 PMCID: PMC4620117 DOI: 10.4329/wjr.v7.i10.357

Abstract

Ligament disruptions at the craniovertebral junction are typically associated with atlantoaxial rotatory dislocation during upper cervical spine injuries and require external orthoses or surgical stabilization. Only in few patients isolated ruptures of the alar ligament have been reported. Here we present a further case, in which the diagnosis was initially obscured by a misleading clinical symptomatology but finally established six month following the trauma, demonstrating the value of contrast-enhanced high resolution 3 Tesla magnetic resonance imaging in identifying this particular lesion.

Keywords: Alar ligament rupture; Cervical spine injury; Contrast-enhanced magnetic resonance imaging

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