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Traumatic C4-C5 unilateral facet dislocation with posterior disc herniation above a prior anterior fusion

Noah M Raizman1, Warren D Yu, Matthew V Jenkins

  • 1Department of Orthopaedic Surgery, George Washington University School of Medicine, Washington, DC 20037, USA.

American Journal of Orthopedics (Belle Mead, N.J.)
|July 28, 2012
PubMed

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Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...