Vertebral anomalies

Dr Henry Knipe and R Bronson et al.

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


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

Anatomy: Spine

Article information

rID: 2264
Synonyms or Alternate Spellings:
  • Vertebral anomalies
  • Vertebral anomaly
  • Congenital vertebral anomalies
  • Congenital vertebral abnormalities
  • Congenital vertebral abnormality
  • Congenital vertebral anomaly
  • Vertebral anatomical variation

Support Radiopaedia and see fewer ads

Cases and figures

  • Case 1: hemivertebra
    Drag here to reorder.
  • Case 2: hemivertebra with scoliosis
    Drag here to reorder.
  • Case 3: butterfly vertebra
    Drag here to reorder.
  • Case 4: block vertebrae
    Drag here to reorder.
  • Case 5: unfused C1 arches
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.