Undetectable Thyroglobulin in Patients With Differentiated Thyroid Carcinoma and Residual Radioiodine Uptake on a Postablation Whole-Body Scan

2011 ◽  
Vol 36 (2) ◽  
pp. 109-112 ◽  
Author(s):  
Luca Giovanella ◽  
Sergio Suriano ◽  
Luca Ceriani ◽  
Frederik Anton Verburg
Keyword(s):  
Thyroid Carcinoma ◽  
Differentiated Thyroid Carcinoma ◽  
Whole Body ◽  
Whole Body Scan ◽  
Body Scan ◽  
Radioiodine Uptake

scholarly journals Radioiodine concentration by the thymus in differentiated thyroid carcinoma: report of five cases

2009 ◽  
Vol 53 (7) ◽  
pp. 874-879 ◽  
Author(s):  
Maria Eduarda Mello ◽  
Rodrigo C. Flamini ◽  
Rossana Corbo ◽  
Marcelo Mamede
Keyword(s):  
Thyroid Carcinoma ◽  
False Positive ◽  
Radioactive Iodine ◽  
Radioiodine Therapy ◽  
Differentiated Thyroid Carcinoma ◽  
Whole Body ◽  
Whole Body Scan ◽  
Body Scan ◽  
Radioiodine Uptake

The radioactive iodine has been used with great value as a diagnostic and therapeutic method in patients with differentiated thyroid carcinoma previously submitted to total thyroidectomy. False-positive whole-body scans may occur due to misinterpretation of the physiologic distribution of the radioisotope or lack of knowledge on the existence of other pathologies that could eventually present radioiodine uptake. Thymic uptake is an uncommon cause of false-positive whole-body scan, and the mechanism through which it occurs is not completely understood. The present paper reports five cases of patients with differentiated thyroid cancer who presented a mediastinum uptake of radioiodine in a whole-body scan during follow-up. The patients had either histological or radiological confirmation of the presence of residual thymus gland. It is very important to know about the possibility of iodine uptake by the thymus in order to avoid unnecessary treatment, such as surgery or radioiodine therapy.

False-positive Iodine-131 whole-body scan findings in patients with differentiated thyroid carcinoma: Report of 11 cases and review of the literature

2013 ◽  
Vol 74 (3) ◽  
pp. 221-230 ◽  
Author(s):  
Leckzinscka Buton ◽  
Olivier Morel ◽  
Patricia Gault ◽  
Frédéric Illouz ◽  
Patrice Rodien ◽  
...  
Keyword(s):  
Thyroid Carcinoma ◽  
False Positive ◽  
Differentiated Thyroid Carcinoma ◽  
Whole Body ◽  
Review Of The Literature ◽  
Whole Body Scan ◽  
Body Scan ◽  
Iodine 131
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