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KMID : 0390220060170020277
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2006 Volume.17 No. 2 p.277 ~ p.280
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A Case of Dual Ectopic Thyroid
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Lee Jong-Sun
Chu Hyung-Ro
Yoo Jong-Bum
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Abstract
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Ectopic thyroid is an uncommon embryological aberration characterized by the presence of thyroid tissue in a site
other than its unusual pretracheal region. Usually it occurs along the path of descent of the developing thyroid
primodium from the foramen cecum, commonest being lingual followed by sublingual and in the anterior midline
of the neck at, or below, the level of the hyoid bone. It is unusual for lingual thyroid to present simultaneously with
another ectopic thyroid. We reported patient with dual ectopic thyroid tissue in tongue base and hyoid area.
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KEYWORD
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Dual ectopic thyroid
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