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Congenital kyphoscoliosis associated with thoracic hemivertebrae in a nine-month-old Racking filly
  • Samaneh Ghasemi,
  • Mohammad Ali Sadeghi Balajorshari,
  • Ali Mirshahi
Samaneh Ghasemi
Ferdowsi University of Mashhad

Corresponding Author:s.ghasemi@um.ac.ir

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Mohammad Ali Sadeghi Balajorshari
Ferdowsi University of Mashhad Faculty of Veterinary Medicine
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Ali Mirshahi
Ferdowsi University of Mashhad Faculty of Veterinary Medicine
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Abstract

Thoracic hemivertebra is one of the rare congenital vertebral anomalies in horses resulting in vertebral column deformity with or without neurological signs. A nine-month-old Racking filly was presented with a distinct bump over the back region. This bump was apparent at birth and has been increasing in size. Clinical examination revealed a painless kyphoscoliosis over the thoracic vertebrae with mild ataxia and abnormal gait of hindlimbs. In plain lateral radiographs of thoracic vertebrae, hemivertebrae were seen in the 13th-15th thoracic vertebrae. At myelography performed under general anaesthesia, the ventral and dorsal aspects of the contrast medium column were narrowing at the level of the 13th-14th thoracic vertebrae, and no sign of contrast medium after the 14th thoracic vertebra that represents spinal cord compression. Little information about hemivertebra in horses exists and a better understanding of hemivertebra etiology is required.
24 Jan 2023Submitted to Equine Veterinary Education
25 Jan 2023Assigned to Editor
25 Jan 2023Submission Checks Completed
01 Feb 2023Reviewer(s) Assigned