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Joseph Junewick, MD FACR
over 11 years ago
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Hyperextension Posterior Arch Fractures

Case Detail

Anatomy: Brain-Spine
Joseph Junewick, MD FACR
Diagnostic Category: Trauma
Created: over 10 years ago
Updated: over 10 years ago
Modality/Study Types: CT
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Fell from bicycle, landing on face.

Case Images


Hyperextension Posterior Arch Fractures


CT – Axial images show spinolaminar fractures of C4 and C5.

MR – Sagittal fat-suppressed T1, T2 and IR images show interspinous hemorrhage and edema from C3 through C6 and at T1-T2. Central T2 cord hyperintensity is related to chronic syrinx.


Typically posterior arch fractures occur between the lateral masses and the spinous processes related to compression of the posterior elements in hyperextension.


Rao SK, Wasyliw C, and Nunez DB. Spectrum of imaging findings in hyperextension injuries of the neck. Radiographics 2005; 25:1239-1254.

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