Vertebral anomalies

Last revised by Dr Derek Smith on 23 May 2022

The vertebral column is affected by a range of anatomical variants of the body and/or neural arch as well as accessory ossicles. Knowledge of basic vertebral anatomy and ossification is essential for describing and understanding the range of anomalies.

Variant anatomy

Vertebral body
Neural arch
Spinous process
Accessory ossicles

Associations

Vertebral anomalies can occur with numerous syndromic as well as non-syndromic conditions including:

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Cases and figures

  • Case 1: hemivertebra
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  • Case 2: hemivertebra with scoliosis
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  • Case 3: butterfly vertebra
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  • Case 4: block vertebrae
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  • Case 5: unfused C1 arches
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  • Case 6: butterfly vertebra
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  • Case 7: hemivertebra
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