Thymic Uptake of Iodine-131 in the Anterior Mediastinum

Two thyroidectomized patients with a history of differentiated thyroid carcinoma are presented who had nonmetastatic mediastinal 131I uptake following therapeutic doses of 131I. Chest CT scans in both patients demonstrated an anterior mediastinal mass. Surgical excision in one patient and a percutan...

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Veröffentlicht in:	The Journal of nuclear medicine (1978) 1996-06, Vol.37 (6), p.991-992
Hauptverfasser:	Veronikis, Irini E, Simkin, Peter, Braverman, Lewis E
Format:	Artikel
Sprache:	eng
Schlagworte:	Adenocarcinoma, Follicular - radiotherapy Adenocarcinoma, Follicular - secondary Adenocarcinoma, Follicular - surgery Adult Carcinoma, Papillary - radiotherapy Carcinoma, Papillary - secondary Carcinoma, Papillary - surgery Diagnosis, Differential Humans Iodine Radioisotopes - therapeutic use Male Mediastinal Neoplasms - diagnostic imaging Mediastinal Neoplasms - secondary Mediastinum - diagnostic imaging Radionuclide Imaging Thymus Gland - diagnostic imaging Thymus Hyperplasia - diagnostic imaging Thyroid Neoplasms - therapy Thyroidectomy
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Beschreibung
Zusammenfassung:	Two thyroidectomized patients with a history of differentiated thyroid carcinoma are presented who had nonmetastatic mediastinal 131I uptake following therapeutic doses of 131I. Chest CT scans in both patients demonstrated an anterior mediastinal mass. Surgical excision in one patient and a percutaneous CT-guided fine needle aspiration biopsy in the other disclosed normal thymus tissue. Iodine-131 uptake in the anterior mediastinum in patients thyroidectomized for follicular or papillary thyroid carcinoma may represent the thymus.
ISSN:	0161-5505 1535-5667