• Alfio José Tincani, Antonio Santos Martins, André Del Negro, Priscila Pereira Costa Araújo, and Gilson Barretto.
• Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas, São Paulo, Brazil. alfiojt@terra.com.br
• Sao Paulo Med J. 2004 Mar 4; 122 (2): 676967-9.

ContextLingual thyroid gland is a rare clinical entity that is caused by the failure of the thyroid gland to descend to a normal cervical location during embryogenesis. The occurrence of an ectopic thyroid gland located at the base of the tongue may cause problems for the patient, with symptoms of dysphagia, dysphonia, upper airway obstruction or even hemorrhage at any time from infancy through adulthood.Case ReportWe report on a case of lingual thyroid gland in a 41-year-old female patient. The embryology and diagnosis of ectopic thyroid are discussed and its management is outlined. Features of the diagnostic and therapeutic evaluation are described with attention to the clinical findings, laboratory tests, thyroid scan and computed tomography imaging studies employed in the confirmation of diagnosis and planning of appropriate treatment. The history of the condition is reviewed and a treatment strategy is outlined. Surgical excision of the gland is reserved for cases of gland enlargement that result in compromised airways (dysphagia or dysphonia) or recurrent hemorrhage.

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