Occipital vertebra

Occipital vertebrae are very rare anatomical variants that result from incomplete or aberrant fusion of occipital bone ossification centers. There is a broad spectrum of occipital vertebrae variations and the four most common include:

Clinical presentation

Symptoms are rare but may include:

Radiographic features

Plain radiography and CT help in the diagnosis of this condition in which a bony projection or arch is seen between the occipital bone and atlas.

Anatomy: Spine

Article information

rID: 25863
Section: Anatomy
Synonyms or Alternate Spellings:
  • Occipital vertebrae

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Case 1: prebasioccipital arch
    Drag here to reorder.
  • Case 2: paracondylar process
    Drag here to reorder.
  • Case 3: third condyle
    Drag here to reorder.
  • Updating… Please wait.

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

     Thank you for updating your details.