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Mammals (other)
Atlantoaxial subluxation with complex occipitoatlantoaxial malformation in two domestic ferrets (Mustela putorius furo)
  1. Stephanie L Jayson1,
  2. Ruth Dennis2,
  3. Isidro Mateo3,
  4. Massimo Orioles4 and
  5. Daniel Sanchez-Masian5
  1. 1 Veterinary Department, Zoological Society of London, London, UK
  2. 2 Diagnostic Imaging Department, Animal Health Trust, Newmarket, UK
  3. 3 Department of Neurology, Universidad Alfonso X El Sabio, Madrid, Spain
  4. 4 Milford Veterinary Hospital, Godalming, UK
  5. 5 Department of Neurology and Neurosurgery, Small Animal Teaching Hospital, University of Liverpool, Neston, Liverpool, UK
  1. Correspondence to Dr Stephanie L Jayson; stephaniejayson{at}


Two cases of atlantoaxial subluxation secondary to occipitoatlantoaxial malformation in the domestic ferret are described. Clinical signs included cervical pain, tetraparesis and tetraplegia. Diagnosis was made using cervical radiographs, CT and, in one case, MRI. Non-surgical management was initiated including application of a cervical brace. Motor function improved initially in one ferret but both ferrets were later euthanased due to deterioration or lack of further improvement in clinical signs.

  • ferrets
  • occipitoatlantoaxial malformation
  • atlantoaxial subluxation
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  • Contributors This case report has been prepared with contributions of all authors to the clinical work and manuscript.

  • Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data are available.

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