Management of Substernal and Intrathoracic Goiters

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Abstract
Goiters that descend into the mediastinum can cause respiratory embarrassment, dysphagia, vascular compression, vocal cord paralysis, and sudden death. Although many such goiters remain clinically silent, their ability to produce sudden and unpredictable respiratory distress is well known. The condition was not considered uncommon in the first half of the twentieth century; some authors reported series of hundreds of thyroidectomies for Intrathoracic goiter. Though seen less frequently today, the only effective treatment for mediastinal goiter is surgical removal. We report our experience with the management of 70 consecutive patients with substernal or intrathoracic goiters. The clinical presentation, preoperative evaluation, operative technique, and results and complications of therapy are discussed. Consideration is also given to the pathogenesis of Intrathoracic extension. The transcervical approach for resection is emphasized—even goiters extending to the aortic arch were safely removed without requiring sternotomy. A multidlsciplinary team approach, including the surgeon, anesthesiologist, and endocrinologist, is essential. Because of more conservative trends in the selection of patients for thyroidectomy, the Incidence of mediastinal goiter may be increasing.

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