Primary intrathoracic goiter: a rare mediastinal tumor
DOI:
https://doi.org/10.18203/2349-2902.isj20172386Keywords:
Ectopic, Mediastinal tumor, Mediastinum, Surgery, Thoracic, ThoracoscopyAbstract
Background: Substernal goiters are usually classified as secondary or primary intrathoracic goiters. Primary ones result from an abnormal embryologic migration of the thyroid and represents less than 1% of all goiters. Secondary substernal goiters develop from the descent of the thyroid into the mediastinum and represents 98-99% of goiters.
Methods: This was a retrospective study which discuss the symptoms, the diagnosis and the treatment of 7 primary intrathoracic goiters.
Results: Goiter was located in the anterior mediastinum in 5 cases, in the posterior mediastinum in 1 case and in the medium mediastinum in 1 case. The mass was located on the right in 5 cases cervical approach was performed in 3 cases. Two patients required a transthoracic approach, 1 required sternotomy and in 1 case video-thoracic surgery was sufficient. Only one patient had postoperative complication which was secondary pneumothorax. All tumors were benign.
Conclusions: Mediastinal ectopic goitre is rare. However it should be discussed among the different etiologies of mediastinal masses.
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References
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