A case report of huge posterior mediastinal goiter with contralateral extension.

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A 54-year-old female was admitted to our hospital because of an abnormal shadow on a chest roentgenogram. The chest roentgenogram showed a left upper mediastinal mass with tracheal deviation to the right. A computed tomography scan of the chest demonstrated a homogeneous posterior mediastinal mass connected to the left thyroid, which extended to the contralateral mediastinum and carinal area.<BR>A radioiodide thyroid scan revealed uptake of isotope in the area of the mediastinal mass. The mass was removed using a collar incision of the neck and median sternotomy under preoperative diagnosis of mediastinal goiter. Its size was 12×7×7cm. A microscopic examination showed a benign adenomatous goiter. This paper described a rare case of huge posterior mediastinal goiter with contralateral mediastinal extention, with a review of the literature.