Oversight agency says nationwide variation in quantitative MRI scanners requires tighter control

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NIST engineer Katy Keenan opens Phreddie, a phantom for calibrating MRI machines that is traceable to standardized values. The phantom is filled with small plastic containers of various salt solutions that mimic tissues of the human body. Photo: Jacobson/NIST.

This advanced MRI technique is currently only used for research purposes and experts believe the inconsistencies they've uncovered are one reason why.