Peer-reviewed veterinary case report
Cat with cystic thyroid tumor causing neck mass
By Hofmeister, E et al.·Published in Journal of the American Veterinary Medical Association·2001·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
PetCaseFinder translated the abstract of this peer-reviewed paper into plain English so pet owners can read it. We do not publish original research — every detail traces back to the citation above. How we work →
Original publication title: Functional cystic thyroid adenoma in a cat.
- Species:
- cat
Plain-English summary
A 9-year-old cat with hyperthyroidism was brought in for radioactive iodine treatment due to a growing mass in its neck that had been there for years. The mass was found to be cystic and was pressing on important structures in the neck. Unfortunately, after receiving treatment with sodium iodide I-131, the cat passed away just four days later, likely due to complications from aspiration. A biopsy of the mass confirmed it was a cystic thyroid adenoma, which is a type of benign tumor in the thyroid gland.
People also search for: cat hyperthyroidism treatment · cat neck mass · cystic thyroid adenoma in cats · cat aspiration complications
Abstract
A 9-year-old cat with hyperthyroidism was referred for radioactive iodine treatment. The cat also had a ventral cervical mass that the owners reported had been present for several years and had increased in size during the past few weeks. On physical examination, the mass was found to have caused lateral displacement of the trachea, esophagus, jugular vein, and common carotid artery. The mass was aspirated and was determined to be cystic in nature. Concentrations of thyroid hormones in the cystic fluid were similar to serum concentrations, and nuclear scintigraphy revealed thyroactive tissue lining the cyst wall. Magnetic resonance imaging suggested that the cyst originated from the right lobe of the thyroid gland. The cat was treated with sodium iodide I 131 but died 4 days later, presumably as a result of aspiration of gastric or esophageal contents. A necropsy was not performed, but histologic examination of a biopsy specimen of the mass indicated that it was a cystic thyroid adenoma.
Find similar cases for your pet
PetCaseFinder finds other peer-reviewed reports of pets with the same symptoms, plus a plain-English summary of what was tried across them.
Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/11469573/