thyroid

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thyroid

1. of or relating to the thyroid gland
2. of or relating to the largest cartilage of the larynx
4. the powdered preparation made from the thyroid gland of certain animals, used to treat hypothyroidism
www.thyroidfoundation.org
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

thyroid

[′thī‚rȯid]
(pharmacology)
Dried and powdered thyroid gland which contains about 0.2% iodine in combination, especially as thyroxine, and is used therapeutically in the treatment of thyroid deficiencies.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Third, the thyroid primordium may not have been able to detach from the pharyngeal floor and migrate, promoting a lingual thyroid with a complete structural and functional differentiation as observed in patients 3, 4, 5, and 6.
Caron, "Lingual thyroid and hyperthyroidism: a new case and review of the literature," Journal of Endocrinological Investigation, vol.
Our patient's thyroid-stimulating hormone was significantly elevated at 9.8 mcIU/mL (normal, 0.34-5.60 mcIU/mL) and technetium scanning showed that the lingual thyroid was her only functioning thyroid tissue.
Hong, "Case ofthyroid hemiagenesis and ectopic lingual thyroid presenting as goitre," Journal of Laryngology & Otology, vol.
No uptake was seen in the normal region of the neck indicating lingual thyroid is the only functioning thyroid tissue in the body.
A lingual thyroid is the most common form of thyroid ectopia, representing 90% of all cases.
The differential diagnosis of lingual schwannoma, benign lesions like granular cell tumors, salivary gland tumors, leiomyomas, rhabdomyomas, lymphangiomas, haemangiomas, dermoid cysts, lipomas, inflammatory lesions and lingual thyroid and malignant lesions like squamous cell carcinoma, sarcomas.
A lingual thyroid is a mass of ectopic thyroid tissue located in the midline of the base of the tongue.
The most common ectopic location is lingual thyroid (about 90% of all cases) with a prevalence between 1:1,00,000 and 1:3,00,000 and a clinical incidence between 1:4,000 to 1:10,0003.
However, several other entities may be considered in the differential diagnosis: irritation fibroma, mucocele, granular cell tumor, tertiary syphilis, lingual thyroid (usually further posterior) and, in rare cases, squamous cell carcinoma.