Lingual thyroid

Case contributed by A.Prof Frank Gaillard

Presentation

Congenital hypothyroidism

Patient Data

Age: 11 days old
Gender: Female
Nuclear medicine

Thyroid scan

Tc-99m Pertechnetate (37 MBq) was injected into a vein in the left foot. Images of the neck and chest were obtained. No normal thyroid uptake was seen in expected location in the neck just above the sternal notch. There was some faint increased activity seen at the level of the chin just behind the tongue. 

Diagram

Thyroglossal duct

The thyroglossal duct arises from foramen caecum located at the junction of anterior two thirds and posterior third of the tongue. From there it passes in front of the body of the hyoid bone, curving backwards and superiorly to reach behind the bone before once more turning inferiorly and continuing to the isthmus of the thyroid. 

Case Discussion

This case illustrates congenital hypothyroidism due to a small lingual thyroid. 

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Case information

rID: 6256
Case created: 18th May 2009
Last edited: 29th Jul 2017
Inclusion in quiz mode: Included

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