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Keywords:

  • horse;
  • cervical;
  • vertebrae;
  • articular process joint;
  • facet joint;
  • fracture;
  • imaging;
  • cineradiography

Summary

Interpretation of cervical radiographs can be challenging due to the complex anatomy and superimposition of osseous structures on either side of the vertebrae. This report describes the investigation of neck pain in a Thoroughbred gelding following a traumatic fall. Several imaging modalities were used to demonstrate the presence of a fracture of the left cranial articular process of the fourth cervical vertebra (C4), including nuclear scintigraphy, ultrasonography, oblique radiographic projections and a novel cineradiographic technique. Oblique radiographs were superior to standard lateral-lateral radiographs in both the diagnosis and for monitoring the progression of healing of the articular process fracture in this case.