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Lingual thyroid: report of three cases
P Arancibia1, J Veliz, M Barria
1Department of Medicine, Hospital del Salvador, University of Chile School of Medicine, Santiago.
Thyroid : Official Journal of the American Thyroid Association
|December 16, 1998
Summary
Lingual thyroid, a rare condition more common in women, may stem from maternal autoantibodies. Treatment involves levothyroxine for hypothyroidism and shrinkage, with surgery or radioiodine for severe symptoms.
Area of Science:
- Endocrinology
- Developmental Biology
- Genetics
Background:
- Lingual thyroid is a rare congenital anomaly characterized by thyroid tissue located at the base of the tongue.
- Its exact pathogenesis remains unclear, with theories suggesting a link to maternal blocking autoantibodies against the thyroid.
- The condition is notably more prevalent in females.
Observation:
- This report details three clinical cases of lingual thyroid.
- The cases highlight the diagnostic challenges and varied clinical presentations associated with this rare disorder.
- Observations focus on the frequent co-occurrence of hypothyroidism.
Findings:
- Levothyroxine therapy is crucial for managing hypothyroidism and inducing gland shrinkage.
- Surgical or radioiodine ablative therapy is indicated for symptomatic cases involving obstruction or bleeding.
- Early diagnosis and appropriate management are key to preventing complications.
Implications:
- Understanding the pathogenesis may lead to targeted preventative strategies.
- Effective management, including hormone replacement and timely intervention, improves patient outcomes.
- Further research into genetic and immunological factors could elucidate the etiology of lingual thyroid.