INTRATRACHEAL ECTOPIC THYROID-TISSUE MASS

A diagnosis of severe strider due to a subglottic tracheal mass mass m ade in a 62-year-old woman. The tumor was removed by external transtra cheal surgery, and the pathologic study disclosed that it was intratra cheal ectopic thyroid tissue. In this particular case, 10 years prior to the onset of the strider, normal thyroid tissue was seen in biopsy specimens of the same subglottic localization. Although the pathogenes is of a mass composed of intratracheal thyroid tissue is not known, th is case shows that it can be a slowly progressive tumor that is asympt omatic for several years.