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- Title
Successful surgical resection of a presumed functional carotid body tumour in a dog.
- Authors
Heblinski, N.; Dörfelt, R.; Klopfleisch, R.; Brückner, M.
- Abstract
CASE REPORT A 9-year-old female intact Shetland Sheepdog was presented with dysphonia, mild bilateral nasal discharge, a slightly decreased appetite, reduced activity level and vomiting. Oropharyngeal examination demonstrated a left-sided soft tissue mass lateral to the hyoid apparatus. Computed tomography revealed a wellvascularised tumour at the level of the carotid bifurcation. There was no evidence of any other changes. Fine needle aspiration of the tissue mass structure was suspicious for a neuroendocrine neoplasia, most likely a chemodectoma. During surgical manipulation of the tumour there were episodes of severe arterial hypertension, raising the suspicion of a functional chemodectoma. Postoperatively, the patient recovered well, but developed aspiration pneumonia, which resolved with medical therapy. At 6 months after surgery the patient was presented for repeated computed tomography, which did not show any signs of recurrence or metastasis within the thoracic and abdominal cavities. CONCLUSION Based on this experience, future cases of suspected carotid body tumours should be screened for functionality, and pretreated with alpha-adrenergic blockade before surgery if indicated, to reduce the risk of severe hypertension during surgery.
- Subjects
CAROTID body tumors; SHEEP dogs; VOICE disorders; COMPUTED tomography; NONCHROMAFFIN paraganglioma
- Publication
Australian Veterinary Practitioner, 2018, Vol 48, Issue 1, p10
- ISSN
0310-138X
- Publication type
Article