Endocrinol Metab > Volume 27(4); 2012 > Article
Endocrinology and Metabolism 2012;27(4):303-307.
DOI: https://doi.org/10.3803/EnM.2012.27.4.303    Published online December 20, 2012.
A Case of Lingual Thyroid Treated by 131I Ablation.
Myeong Ho Yeon, Yong Hyeok Choi, Young Rak Choi, Woo Ri Park, Hyung Jin Choi, Tae Keun Oh, Hyun Jeong Jeon
Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Korea. endoann@nate.com
A lingual thyroid is a rare developmental anomaly caused by the failure of the descent of the thyroid gland anlage early in the course of embryogenesis. The incidence of lingual thyroid has been reported to be 1/100,000. Lingual thyroid is often asymptomatic but may cause dysphagia, dysphonia, upper airway obstruction and hemorrhage. In this report, we described the case of a 50-year-old women experiencing lingual thyroid who had subclinical hypothyroidism. She underwent successful 131I ablation and has done well on thyroid hormone replacement therapy.
Key Words: Hypothyroidism, Lingual thyroid, Radiotherapy

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