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 ?
Lingual thyroid gland: clinical evaluation and comprehensive management.
In transmandibular approach, incision is given at the level of mandible, suprahyoid dissection is carried out by lifting the suprahyoid muscles, the base of the tongue is pulled down and the lingual thyroid is brought out of the swelling and can further be excised.
Ectopic lingual thyroid as unusual cause of severe dysphagia.
Role of Co2 laser in the management of obstructive ectopic lingual thyroids.
The origin of a lingual thyroid is the result of a failure of the thyroid primordium to descend into the neck.
Lingual thyroid tissue has been well documented by many independent reports in the literature.
She had not experienced any dysphagia or dyspnea, even though the size of her lingual thyroid on CT was measured as 2.
Lingual thyroid tissue is known to be associated with an absence of cervical thyroid tissue in 70% of patients.
Standard CT has been found to adequately demonstrate a lingual thyroid in the oropharynx.
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.