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I injected a pt w/ Tc99m Sestamibi 1 hr after a CT of the chest/abd/pelvis w/ contrast and had no uptake in the thyroid?

Posted by annamgib

Could this possibly be due to the iodine in the contrast agent used.  Patient is on dialysis (although not receiving the day of the study).  I have never read any contraindications of having CT scans before a parathyroid study but this has me stumped.  The patient had virtually no uptake in the thyroid so it was assumed there was also no uptake in the parathyroids which means the rad called a non-diagnostic study.  Help.
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