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Peer-reviewed veterinary case report

Surgery risks and survival for dogs with carotid body tumors

By Paskoff, Kathryn Marie et al.·Published in Veterinary and Comparative Oncology·2024·BluePearl Veterinary Partners Monterey California USA, United States·View original on Crossref

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Original publication title: Outcomes and Perioperative Complications of Surgical Resection on Canine Carotid Paragangliomas (21 Cases): A Veterinary Society of Surgical Oncology Study

Species:
dog

Plain-English summary

A group of 21 dogs with carotid body tumors (a type of neck tumor) underwent surgery to remove them. While the surgery had a high complication rate of 52%, with issues like breathing problems and aspiration pneumonia, the overall mortality rate was low at just 4.7%. For the dogs that survived, the average survival time was about 554 days, with many living over a year after the surgery. This study suggests that surgical removal of these tumors can be effective, leading to a good chance of long-term survival despite some risks during recovery.

People also search for: dog neck tumor surgery · canine carotid body paraganglioma treatment · dog breathing problems after surgery

Abstract

ABSTRACTCarotid body paragangliomas represent an uncommon neoplasm in dogs. The objective of this study was to report outcomes and complications associated with surgical excision of carotid body paragangliomas in 21 dogs. Cases were recruited retrospectively via medical record review from 9 veterinary speciality centres. The perioperative complication rate was 52% (11/21). Complications encountered in this cohort related to removal of carotid body tumour included airway obstruction, aspiration pneumonia, megaesophagus, unilateral laryngeal paralysis, coughing and Horner's syndrome. The overall perioperative mortality rate was 4.7% (1/21 dogs) and median survival time was 554 days for the six patients with known dates of death. One‐ and two‐year survival rates were 61% and 42%, respectively. This is the largest collection of carotid body paraganglioma cases reported in veterinary literature. Based on these results, surgical resection of carotid body paragangliomas was associated with low perioperative mortality and long survival times.

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Original publication on Crossref: https://doi.org/10.1111/vco.13023