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Facet Fractures

synonyms:

Facet Fracture ICD-9

Facet Fracture Etiology / Epidemiology / Natural History

  • Common, generally involve the superior facet.

Facet Fracture Anatomy

Facet Fracture Clinical Evaluation

  • Palpate entire spine for tenderness / step off.
  • Complete neuro exam: motor strength, pin-prick sensation, reflexes, cranial nerves, rectal examination (perineal pin-prick sensation, sphincter tone, volitional spincter control)
  • Absence of the bulbocaverosus reflex indicates spinal shock. Level of spinal injury can not be determined until bulbocaverosus reflex has returned.
  • See ASIA form.

Facet Fracture Xray / Diagnositc Tests

Facet Fracture Classification / Treatment

  • Unilateral, Nondisplaced, no subluxation: orthosis for 6-12 weeks.
  • Unilateral, >40% of lateral mass height, or with associated discoligamentous disruption: are unstable. Treatment = fusion
  • Bilateral: unstable. Treatment = fusion
  • Floating lateral mass fracture: lamina and ipsilateral pedicle of the same segment are fractured, assoicated with radiculopathy. Treatment = fusion

Facet Fracture Associated Injuries / Differential Diagnosis

Facet Fracture Complications

Facet Fracture Follow-up Care

Facet Fracture Review References

  • °
Orthofix
www.zimmer.com
Stryker / Howmedica

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