Libyan Journal of Medicine

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Mediastinal goiter diagnosed by functional imaging

G Michels, M Dietlein, C Kobe, R Pfister


A 63-year-old asymptomatic woman with cured Hodgkin diseases presented for restaging. The chest computed tomography showed a mass at the right side of the upper mediastinum. The benignity and the origin of the tissue were unknown. First, we performed a bronchoscopy-guided biopsy but without success. In the next step, we initiated radionuclide imaging with technetium-99m pertechnetate (Tc-99m) and radioiodine (I-123). Low uptake of Tc-99m and intense accumulation of I-123 after 2 and 24 h to the mediastinal mass suggested that the mass was a mediastinal goiter. Based on iodine uptake and the fact that our patient had no symptoms of tracheal compression, we decide to go for a radioiodine therapy.

Keywords: mediastinal goiter; mediastinal tumor; scintigraphy; iodine-123; technetium-99m pertechnetate; radioiodine I-131 therapy
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