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Peer-reviewed veterinary case report

Cat with breathing trouble from rare chest cyst fixed by surgery

By Lynn, A et al.·Published in The Journal of small animal practice·2009·Michigan Veterinary Specialists, United States·View original on PubMed

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Original publication title: Caudal mediastinal thyroglossal duct cyst in a cat.

Species:
cat

Plain-English summary

An eight-year-old domestic shorthair cat was having trouble breathing due to fluid buildup in the chest. An ultrasound revealed a large cyst in the back part of the chest, which was surgically removed. The cyst was found to contain abnormal thyroid tissue, a rare condition in cats. After the surgery, the cat's breathing problems completely resolved, and it returned to normal health.

People also search for: cat breathing problems · cat pleural effusion treatment · cat thyroid cyst surgery

Abstract

An eight-year-old domestic shorthair cat was evaluated because of dyspnoea secondary to pleural effusion. Ultrasound examination identified a large anechoic cyst-like structure in the caudal thorax. A median sternotomy was performed, and the cystic mass was removed. Microscopically, the excised tissue was identified as a multilocular thyroglossal duct cyst with ectopic thyroid tissue. To the authors' knowledge, this is the first report of a mediastinal thyroglossal duct cyst in a cat. Despite the rarity of this lesion, it should be considered when a cystic thoracic structure is identified on thoracic ultrasound. Surgical excision of the cyst resulted in complete resolution of the pleural effusion and clinical signs.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19261086/