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Introduction and Classification of the Chiari Malformations

  • R. Shane TubbsEmail author
  • W. Jerry Oakes
Chapter

Abstract

Once an uncommon clinical finding, the Chiari malformations are now frequently seen with the advent of more sophisticated imaging modalities. With over 100 years of experience with these entities, we currently have a much better understanding of their embryology and pathophysiology. However, many gaps still exist in our knowledge of the Chiari malformations. Long-term outcome studies are becoming more prevalent and patients are commonly operated on with generally favorable results. Since their original classification, the Chiari malformations have grown to include smaller subsets. Herein, we focus on the two most common forms of hindbrain herniation, the Chiari I and II malformations. As with any rapidly changing field, knowledge of the natural history of the untreated condition is essential before recommending intervention.

Keywords

Chiari malformation Hindbrain herniation Tonsillar ectopia Spina bifida 

References

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Section of Pediatric NeurosurgeryChildren’s of AlabamaBirminghamUSA
  2. 2.Section of Pediatric NeurosurgeryChildren’s of AlabamaBirminghamUSA

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