Guimarães, MJValente, CSantos, LBaganha, MF2011-07-202011-07-202009J Bras Pneumol. 2009;35(4):383-7.http://hdl.handle.net/10400.4/1035Ectopic 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.engDoenças do MediastinoGlândula Tiroideiajournal article