Peer-reviewed veterinary case report
Cat with neck fluid-filled mass diagnosed as thyroglossal duct cancer
By Moorer, Jeremiah D et al.·Published in Journal of the American Animal Hospital Association·2016·From the Department of Veterinary Clinical Sciences (J.D.M.·View original on PubMed →
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Original publication title: Thyroglossal Duct Carcinoma in a Cat.
- Species:
- cat
Plain-English summary
A 14-year-old male domestic shorthair cat was brought to the vet because of a fluid-filled lump in its neck that had been there for a year and didn’t go away after being drained multiple times. Imaging showed a large mass in the neck, and tests on the fluid indicated it was likely a tumor. The mass was surgically removed, and it turned out to be a rare type of cancer called thyroglossal duct carcinoma. Fortunately, no additional treatment was needed, and the cat showed no signs of the cancer returning after 14 months.
People also search for: cat neck lump · thyroglossal duct carcinoma cat · cat cancer surgery recovery
Abstract
A 14 yr old castrated domestic shorthair cat presented for a fluid-filled structure in the ventral cervical region that had been present for 1 yr and had not resolved after repeated aspiration and drainage. Cervical computed tomography showed an approximately 10 cm, fluid-filled, multilobulated mass located on the ventrolateral right side of the cervical region extending into the thoracic inlet. Cytologic examination of the fluid revealed cystic fluid with evidence of chronic hemorrhage. The mass was surgically removed, and histopathologic examination revealed a thyroglossal duct carcinoma. Thyroid and parathyroid gland origin were ruled out by negative immunohistochemical staining for thyroglobulin, parathyroid hormone, calcitonin, and synaptophysin. No adjunctive treatment was performed and no recurrence was noted at 14 mo. Thyroglossal duct carcinoma has not been previously reported in a cat. There are two previous reports of squamous cell carcinoma of the thyroglossal duct in dogs. In humans, with complete removal and no evidence of metastasis, carcinoma of the thyroglossal duct has a good prognosis for recovery.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/27259027/