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NEMA Revises Test Methods to Measure Accuracy within Magnetic Resonance Images

03/8/2017 11:00AMSign-up to receive press releases.

ROSSLYN, Va.—Today the National Electrical Manufacturers Association (NEMA) revised test methods for measuring the absolute spatial variation of geometric accuracy within magnetic resonance images. NEMA MS 12-2016 Quantification and Mapping of Geometric Distortion for Special Applications presents the absolute geometric accuracy as a map, graph, or table throughout the imaging region rather than as simple figures of merit, such as average or worst-case error.

The revisions take into account increased variety of test materials, covering medical imaging, radiology, and conformity assessment industries.

"This standard is becoming increasingly useful with magnetic resonance (MR)-guided oncology applications to ensure the required high geometric accuracy of treatment," said Enzo Barberi, product manager, MR-guided quality assurance at Modus Medical Devices, and MR section member.

NEMA MS 12-2016 is available in hard copy for $72 or as an electronic download for no cost on the NEMA website.


The National Electrical Manufacturers Association (NEMA) represents nearly 325 electrical equipment and medical imaging manufacturers that make safe, reliable, and efficient products and systems. Our combined industries account for 370,000 American jobs in more than 6,100 facilities covering every state. These industries produce $124 billion in shipments and $42 billion in exports of electrical equipment and medical imaging technologies per year.

Press contact:
Tracy Cullen


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