%0 Journal Article %T Tireoide ect¨®pica no mediastino anterior %A Guimar£¿es %A Maria Jos¨¦ Ara¨²jo da Cunha %A Valente %A Carla Manuela Silva %A Santos %A L¨¨lita %A Baganha %A Manuel Fontes %J Jornal Brasileiro de Pneumologia %D 2009 %I Sociedade Brasileira de Pneumologia e Tisiologia %R 10.1590/S1806-37132009000400013 %X ectopic thyroid is a rare condition, and its location in the anterior mediastinum is even rarer, there having been only 5 reported cases in the past 30 years. here, we describe 2 clinical cases and present a review of the literature regarding the etiology, embryology and clinical manifestations of ectopic thyroid. %K thyroid dysgenesis %K mediastinum %K goiter. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1806-37132009000400013&lng=en&nrm=iso&tlng=en