title: Mediastinal goiter diagnosed by functional imaging.
abstract: 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.
authors.affiliation: Department III of Internal Medicine, University of Cologne, Cologne, Germany.
authors.forename: Guido
authors.initials: G
authors.lastname: Michels
authors.forename: Markus
authors.initials: M
authors.lastname: Dietlein
authors.forename: Carsten
authors.initials: C
authors.lastname: Kobe
authors.forename: Roman
authors.initials: R
authors.lastname: Pfister