PMC6352647_01
Iodine-131 Williams-Beuren syndrome both anterior (a) and posterior (b) sweep views showing iodine avid residual thyroid tissue in thyroid bed with multiple functioning thyroid metastases in the right humeral head, bilateral lungs, liver, and left adrenal gland
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F1
Also seen multiple foci of abnormal tracer activity in right humeral head, D5-D7 vertebral bodies, left adrenal gland, liver and bilateral lungs- suggestive of functioning metastases [Figure 1].
Iodine-131 posthigh dose therapy scan both anterior (a) and posterior (b) sweep views shows good localization of radioiodine in residual thyroid tissue in thyroid bed with multiple functioning thyroid metastases in the right humeral head, bilateral lungs, liver, and left adrenal gland (thick arrow)
IJNM-34-32-g002.jpg
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F2
Posthigh dose I131 whole body scintigraphy finding showed good radioiodine uptake in residual thyroid tissue in thyroid bed and other sites mentioned in the body as in pretherapy scan [Figure 2].