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J Feline Med Surg. 2000 Sep;2(3):143-6.

Ectopic lingual thyroid tissue in a cat.

Author information

1
Department of Pathology, The Animal Medical Center, 510 East 62nd Street, New York 10021, USA.

Abstract

Ectopic thyroid tissue was identified at the base of the tongue in a 9-year-old, euthyroid, domestic shorthair cat. The lingual submucosa and the muscles were replaced by thyroid tissue, which consisted of various-sized follicles each lined by a row of cuboidal epithelium. Many follicles contained eosinophilic, periodic acid Schiff-positive, colloid material. Imunohistochemically, the epithelial cells stained positive for AE(1)/AE(3)and thyroglobulin. No calcitonin positive cells or parathyroid tissue was seen. The cat has been followed for 1018 days after surgery, is clinically well and remains euthyroid.

PMID:
11716609
DOI:
10.1053/jfms.2000.0085
[Indexed for MEDLINE]

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