A 12-year-old, body condition score (BCS) 9, female, Poodle mix dog was presented for coughing, gasping sounds and exercise intolerance. The symptoms started 2 months prior to the presentation. Clinical findings revealed a large, fluid-filled mass on the ventral aspect of the neck. Ultrasound examination identified a large anechoic cyst. Thoracic radiographs revealed signs of bronchial pattern and right-sided cardiomegaly, as a consequence of chronic bronchitis. There was no evidence of metastatic disease. Serum concentrations of T4, fT4 and thyroid-stimulating hormone (TSH) were within normal limits. The cyst was removed via marginal excision. The histopathological findings were suggestive of thyroglossal duct cyst. A thyroglossal duct tract was not identified. Apart from the formation of a temporary seroma, there were no other postsurgical complications. There was no recurrence of the cyst 3 months postoperatively. To the authors’ knowledge, this is a rare case of thyroglossal duct cyst in a geriatric dog.
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MM and AA contributed equally.
Contributors There were no other contributors except from the authors mentioned above. They both contributed equally to the case management and writing progress of this case report.
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 All data relevant to the study are included in the article or uploaded as supplementary information.
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