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Dogs
Vernet’s syndrome (jugular foramen syndrome) secondary to osteoma of the tympanic bulla in a young male dog
  1. Craig Ruaux,
  2. Chris Paul Champion,
  3. Sarah Pemberton and
  4. John S Munday
  1. School of Veterinary Science, Massey University, Palmerston North, New Zealand
  1. Correspondence to Dr Craig Ruaux; craig.ruaux{at}sydney.edu.au

Abstract

A one-year-old male neuter dog initially presented with clinical signs of pharyngitis and suspected oesophageal reflux. The dog subsequently developed unilateral (left side) Horner’s syndrome. CT examination of the head and neck revealed a large mixed bone and soft tissue density lesion filling the majority of the left tympanic bulla and extending into the jugular foramen. Marked atrophy of the left sternocephalicus and brachiocephalicus muscles was present. Following recovery from anaesthesia, the dog suffered regurgitation and aspiration, resulting in respiratory and cardiac arrest. Given the imaging findings and grave prognosis, the dog’s owners elected euthanasia. Autopsy examination revealed a tympanic bulla osteoma. The combination of cranial nerve IX, X and XI dysfunction, associated with disease of the jugular foramen, supports a diagnosis of Vernet’s syndrome in this patient.

  • neuropathology
  • dogs
  • ear
  • nose and throat (ENT)
  • oncology
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Footnotes

  • Contributors CR: primary clinician managing the case, authored the paper. CPC: assisted in case management, conducted necropsy examination. SP: conducted radiographic studies, interpreted radiographic findings. JSM: supervised necropsy examination, conducted histopathological studies. All authors contributed to and approved of the final manuscript.

  • Funding The authors have not declared a specific grant for this research 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 availability statement There are no data in this work.

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