An Unexpected and Less Recognized Altered Distribution on Bone Scintigraphy; Possibility of 99mTc-Dextrose Complex as a Cause

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Optimal performance of diagnostic tests and correct interpretation depend on multiple factors, one of which is proper radiopharmaceutical preparation. Unwanted impurities result in altered distribution of radiopharmaceuticals and then poor-quality or uninterpretable studies. Therefore, following the reconstitution steps according to standard and validated protocols by the technologist is mandatory. Here, we present 2 cases with unexpected and less recognized distribution of 99mTc–methylene diphosphonate on bone scintigraphy.

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