Hot Nodule Pre an Post Therapy

          Follow up with thyroid scintigraphy of toxic adenoma

                                   (Prepared by Dr Javiera Gonzalez)

19 y.o. male patient diagnosed with subclinical hyperthyroidism in January 2013.  TSH 4,88; T3 1,07; T4 6,7 (20/06/2013). Thyroid echotomography (April 2013): Heterogenous solid nodule without calcifications in right lobule of 38 x14 mm. Left lobule normal.  Thyroid scintigraphy with Tc99m (6 May 2013): Nodule with high uptake in right lobule and supression of the rest of the normal thyroid parenchyma. 24 hour Iodine Uptake: 34% Received 25 mCi of radioiodine therapy on May 2013. Thyroid scintigraphy (24/08/2013): Homogeneous uptake in thyroid parenchyma. No evidence of nodules with increase uptake. Normal study.
 

References:

1   ATA/AACE Guidelines Hyperthyroidism Management Guidelines, Endocr. Pract. 2011;17(No. 3).
2   Iagaru A. Treatment of Thyrotoxicosis, Nucl Med 2007; 48:379–389.
3   Erdoğan MF. Effect of radioiodine therapy on thyroid nodule size and function in patients with toxicadenomas. Nucl Med Commun. 2004 Nov;25(11):1083-7.
 

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