lingual thyroid


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lingual thyroid

residual thyroid tissue at the base of the tongue that failed to descend into the neck during embryologic development.

lingual thyroid

A small nodule of ectopic thyroid tissue located on the dorsal tongue, posterior to the circumvallate papillae. It is caused by failure of developing thyroid tissue to migrate from the area of the foramen cecum to its normal location in the neck.
See also: thyroid

lin·gual thy·roid

(linggwăl thīroyd)
Ectopic thyroid tissue found at base of tongue.
References in periodicals archive ?
In our group's limited experience with lingual thyroid (5 cases), the present case is the first that involved a carcinoma.
Patients with a lingual thyroid and a nonfunctioning primary thyroid can be treated with levothyroxine to keep their TSH level between 0.
The diagnosis of a malignant lingual thyroid may be easily missed, as it initially was in our patient.
Ectopic lingual thyroid as unusual cause of severe dysphagia.
Functional lingual thyroid as unusual cause of progressive dysphagia.