Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is the gold standard imaging modality for soft tissues. It produces detail cross-sectional images of soft tissue and bone anatomy, including muscles, tendons, ligaments, brain and organs, without the use of ionizing radiation. In addition to orthopedic imaging, MRI is also used for heart, brain and breast. MRI uses gadolinium contrast in many exams to highlight tissues and blood vessels, which enhances images and offers better diagnostic quality. It can also be used in conjunction with PET scans. How does MRI work? MR creates images by using powerful magnets to polarize hydrogen atoms in water (the body is made of of more than 80% water) so they face in one direction. A radiofrequency pulse is then used to ping these atoms, causing them to wobble, or resonate. The MRI coils detect this and computers can assemble images from the signals. Basic MRI scans will focus on the resonance of fat and water in two different sequences, which highlight and contrast different features in the anatomy.

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Wearable MRI helmet makes brain scans quicker, quieter and crisper

The helmet is made from magnetic metamaterials and can cut brain scan times in half, researchers at Boston University recently explained.

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'Highly significant' MRI findings link hyperthyroidism to structural brain abnormalities

“For decades, the patients in our group have testified that they don’t feel they’ve recovered, and we hope our study will provide further clues about what happens in the brain,” experts involved in the study said.

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Previous negative MRI experience significantly impacts patient anxiety during scans

“Beyond causing a negative patient experience, stress and anxiety also relate to unexpected patient-related events, which delay the clinical workflow and effect a significant amount of lost revenue," experts said in JACR.

MR-guided thermoseeds can destroy cancerous brain tissue

"Improving the precision of treatment delivery is arguably the greatest unmet need we have in contemporary medicine," experts explained in Advanced Science.

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Imaging-center chain CEO gets 5 years in prison for $250M MRI bribe scheme

A U.S. district judge also ordered Sam Solakyan, 40, to pay nearly $28M in restitution to the insurers he scammed. 

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MRI-based prostate cancer screening paired with new blood test can reduce deaths by up to 9%

The novel approach can also reduce the number of MR scans performed over a lifetime by 60%, experts reported in European Urology.

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Arizona State University home to new 9.4T cryogen-free MRI system

The high-field scanner takes advantage of an innovative dry technology that removes the need for liquid helium and liquid nitrogen required by most MRI systems.

LEGO's miniature MRI models help comfort nervous kids before exams

The company hopes the model can make scans "more playful and less scary" for pediatric patients.

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