{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T08:58:17Z","timestamp":1762505897535},"reference-count":11,"publisher":"FapUNIFESP (SciELO)","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq Bras Endocrinol Metab"],"published-print":{"date-parts":[[2011,10]]},"abstract":"<jats:p>Amiodarone (AM)-induced thyrotoxicosis (AIT) is a condition with uncertainties from the diagnostic and therapeutic standpoints. A 54-year old male was referred to the hospital due to thyrotoxicosis. He had history of atrial fibrillation medicated with AM. No history of pre-existing thyroid disease was present, thyroid palpation revealed no goiter, and there were no signs of Graves' ophthalmopathy. Thyroid autoantibodies and thyroid-stimulating hormone receptor antibodies (TRABs) were negative. Thyroid and Doppler ultrasounds were normal. 99mTc-sestaMIBI thyroid scan (STS) showed uptake with rapid washout. AM therapy was discontinued, and combined therapy was started. After a long course of glucocorticoid and thionamides, the patient became euthyroid. It is necessary to distinguish between the types of AIT to decide whether or not continue AM treatment; after that, the appropriate therapy should be selected. STS was very important in the diagnosis of the type of AIT.<\/jats:p>","DOI":"10.1590\/s0004-27302011000700009","type":"journal-article","created":{"date-parts":[[2012,3,16]],"date-time":"2012-03-16T15:06:45Z","timestamp":1331910405000},"page":"486-489","source":"Crossref","is-referenced-by-count":5,"title":["Importance of 99mTc-sestaMIBI thyroid scan in a case of amiodarone-induced thyrotoxicosis"],"prefix":"10.1590","volume":"55","author":[{"given":"Selma B.","family":"Souto","sequence":"first","affiliation":[{"name":"Centro Hospitalar S. Jo\u00e3o, Portugal; University of Porto, Portugal"}]},{"given":"Helder","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Centro Hospitalar S. Jo\u00e3o, Portugal"}]},{"given":"Maria Jo\u00e3o","family":"Matos","sequence":"additional","affiliation":[{"name":"Centro Hospitalar S. Jo\u00e3o, Portugal; University of Porto, Portugal"}]},{"given":"Daniel Carvalho","family":"Braga","sequence":"additional","affiliation":[{"name":"Centro Hospitalar S. Jo\u00e3o, Portugal; University of Porto, Portugal"}]},{"given":"Jorge","family":"Pereira","sequence":"additional","affiliation":[{"name":"Centro Hospitalar S. Jo\u00e3o, Portugal"}]},{"given":"Davide","family":"Carvalho","sequence":"additional","affiliation":[{"name":"Centro Hospitalar S. 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