Transitional vertebra

Transitional vertebra is one that has indeterminate characteristic and features of vertebrae from adjacent vertebral segments. They occur at the junction between spinal morphological segments:

Their importance stems both because the altered anatomy can be symptomatic (e.g. cervical rib causing thoracic outlet syndrome) or because they can lead to confusion when describing findings and thus lead to incorrect level operation.

Radiographic appearance

MRI
  • best identified on sagittal T1W and T2W images
  • correct identification can only be definitively proven if the entire spine is imaged

Spinal anatomy
Share Article

Article Information

rID: 13623
Section: Anatomy
Synonyms or Alternate Spellings:
  • Transitional vertebral body
  • Transitional vertebrae

Support Radiopaedia to see fewer ads

  • Drag
    Right cervical rib
    Case 1: right cervical rib
    Drag here to reorder.
  • Drag
    Case 4: bilateral partial atlanto-occipital assimilation
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

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

    Alert accept Thank you for updating your details.