Magnetic Resonance Imaging (MRI)

MRI creates images from the magnetic resonance created in hydrogen atoms when they are polarized and an electromagnetic pulse is used to knock them off axis. This section includes MR analysis software, MRI scanners, gadolinium contrast agents and related magnetic resonance imaging accessories.

Two magnetic resonance imaging (MRI) findings — joint capsule edema and thickness at the axillary recess, specifically — proved useful in predicting stiff shoulder in patients with rotator cuff tears, according to an ahead-of-print article in the May issue of the American Journal of Roentgenology (AJR)

A: Oblique coronal fat-suppressed T2-weighted MR image shows normal hypointense joint capsule at axillary recess (arrow). Note full-thickness tear of supraspinatus tendon (arrowheads) B: Oblique sagittal proton density MR image shows preserved subcoracoid fat triangle (asterisk). Image courtesy of the American Journal of Roentgenology (AJR)

News | Magnetic Resonance Imaging (MRI) | February 20, 2020
MRI Findings Predict Shoulder Stiffness for Rotator Cuff Tears
February 20, 2020 — Two magnetic resonance imaging (MRI) findings — joint capsule edema and thickness at the axillary...
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Hyperfine Research, Inc. announced that it has received U.S. Food and Drug Administration (FDA) 510(k) clearance for the world’s first bedside Magnetic Resonance Imaging (MRI) system

Hyperfine's point-of-care MRI wheels directly to the patient’s bedside, plugs into a standard electrical wall outlet, and is controlled via a wireless tablet. Photo courtesy of Business Wire

News | Magnetic Resonance Imaging (MRI) | February 12, 2020
World’s First Bedside MRI System Receives FDA 510(k) Clearance
February 12, 2020 — Hyperfine Research, Inc. announced that it has received U.S. Food and Drug Administration (FDA) 510...
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The magnetic resonance imaging (MRI) contrast agents market is expected to grow rapidly

Image courtesy of GE Healthcare

News | Magnetic Resonance Imaging (MRI) | February 11, 2020
Rapid Growth Predicted for MRI Contrast Agents Market
February 11, 2020 — The magnetic resonance imaging (MRI) contrast agents market is expected to grow rapidly in the...
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Gadolinium-based contrast agents

UT Dallas faculty members who collaborated with Dr. Jeremiah Gassensmith (center, back), associate professor of chemistry and biochemistry, include Dr. Lloyd Lumata (left, back), assistant professor of physics, and Dr. Steven Nielsen, associate professor of chemistry. Chemistry graduate students in Gassensmith’s lab include (from left, front) Oliva Brohlin, Arezoo Shahrivarkevishahi and Laurel Hagge.

News | Contrast Media | February 06, 2020
Researchers Brighten Path for Creating New Type of MRI Contrast Agent
February 6, 2020 — University of Texas at Dallas researchers are breathing new life into an old MRI contrast agent by...
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Qynapse, a medical technology company, announced that it received U.S. Food and Drug Administration (FDA) 510(k) clearance for its QyScore software
News | Information Technology | February 04, 2020
Qynapse Receives FDA Clearance for QyScore Imaging Software
February 4, 2020 — Qynapse, a medical technology company, announced that it received U.S. Food and Drug Administration...
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RSNA 2019

RSNA 2019

Feature | Radiology Imaging | January 31, 2020 | By Greg Freiherr
Technology Marches on at RSNA as the Decade Prepares to Close
The founder of Gonzo journalism thought back nostalgically to what many believed in the 1960s was inevitable. The...
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This image is of an 80 kg woman with a newly diagnosed IDH-wildtype glioblastoma

This image is of an 80 kg woman with a newly diagnosed IDH-wildtype glioblastoma. The quarter dose image on the left was obtained after the administration of 4 ml of MultiHance. Subsequently, an additional 12 ml of MultiHance was administered and the cumulative full dose image in the center was obtained. The image on the right was rendered following artificial intelligence processing of the 4 ml image using eGad genetic algorithms. This image has the quality of triple dose gadolinium even though only one quarter dose gadolinium was given.

Feature | Contrast Media Injectors | January 30, 2020 | By Matthew Kuhn, M.D., FACR
Artificial Intelligence Processes Provide Solutions to Gadolinium Retention Concerns
Gadolinium-based contrast agents (GBCAs) are widely used in medical imaging to provide essential diagnostic information...
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The researchers used high resolution cross-sectional imaging with CT or MRI to assess 225 men with abdominal aortic aneurysm. Follow-up lasted, on average, more than three years. Slightly more than half of patients had an intraluminal thrombus. The aneurysms of those with intraluminal thrombus were larger at baseline and grew by a rate of 2 mm per year, twice as fast as the 1 mm per year growth rate in people without intraluminal thrombus.
News | Computed Tomography (CT) | January 29, 2020
Rapid Aortic Aneurysm Growth Occurs in Presence of Blood Clot
January 29, 2020 – The presence of a blood clot on the wall of the aorta in people with abdominal aortic aneurysms (AAA...
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Gadolinium based contrast dye in brain MRI

Gadolinium contrast agents (GBCAs) are partly retained in the brain, raising safety concerns, as seen in this MRI.

News | Contrast Media | January 17, 2020
Voluntary Dismissal of Chuck Norris Gadolinium Case Involving Bracco
January 17, 2020 — Bracco Diagnostics Inc., the U.S. subsidiary of Bracco Imaging S.p.A., one of the world’s leading...
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MR Solutions cryogen free preclinical MRI
News | Magnetic Resonance Imaging (MRI) | January 09, 2020
MR Solutions Grows Support Network
January 9, 2020 — MR Solutions is continuing to expand its support network as its base of preclinical liquid helium...
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Videos | RSNA | January 07, 2020
VIDEO: Advances in Pancreatic CT and MR Imaging
Elizabeth M. Hecht, M.D., professor of radiology, Columbia University, New York, explains the latest advances to help...
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Videos | Magnetic Resonance Imaging (MRI) | January 06, 2020
VIDEO: Use of Cardiac MRI in Congenital and Women's Heart Disease
Karen Ordovas, M.D., MAS, professor of radiology and cardiology at the University of California San Francisco (UCFS)...
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prostate cancer UCL study
News | Prostate Cancer | January 03, 2020
Targeted Screening Could Prevent One in Six Prostate Cancer Deaths
January 3, 2020 — Nearly one in six deaths from prostate cancer could be prevented if targeted screening was introduced...
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Videos | MRI Breast | December 26, 2019
VIDEO: Use of Breast MRI Improved Cancer Detection in Dense Breasts in Dutch Study
Gillian Newstead, M.D., director of global breast imaging and former professor at the University of Chicago, explains a...
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Videos | Magnetic Resonance Imaging (MRI) | December 20, 2019
VIDEO: Advances in Cardiac MRI Technology
James Carr, M.D., chair of the Department of Radiology, Northwestern University, and incoming 2020 President of the ...
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The Hitachi Scenaria View CT scanner on display at the 2019 Radiological Society of North America (RSNA) meeting in December. This workhorse 64 or 128 slice CT system, and Hitchai's portfolio of MRI and ultrasound systems, is attracting the attention of Fujifilm, which does not have some of these technologies. Combined, the new new portfolio may help Fufifilm capture a parger portion of international radiology market share. Photo by Dave Fornell.

The Hitachi Scenaria View CT scanner on display at the 2019 Radiological Society of North America (RSNA) meeting in December. This workhorse 64 or 128 slice CT system, and Hitchai's portfolio of MRI and ultrasound systems, is attracting the attention of Fujifilm, which does not have some of these technologies. Combined, the new new portfolio may help Fujifilm capture a larger portion of international radiology market share. Photo by Dave Fornell.

Feature | Radiology Business | December 17, 2019 | Dave Fornell, Editor
Fujifilm Contemplating Purchase of Hitachi Medical Systems
December 17, 2019 — It was disclosed today that Fujifilm may buy Hitachi's diagnostic imaging business in a deal that...
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Schematic diagram of the proposed multichannel deep neural network model analyzing multiscale functional brain connectome for a classification task. rsfMRI = resting-state functional MRI.

Schematic diagram of the proposed multichannel deep neural network model analyzing multiscale functional brain connectome for a classification task. rsfMRI = resting-state functional MRI. Graphic courtesy of the Radiological Society of North America.

News | Artificial Intelligence | December 11, 2019
Artificial Intelligence Boosts MRI Detection of ADHD
December 11, 2019 — Deep learning, a type of artificial intelligence, can boost the power of magnetic resonance imaging...
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Two recently studies released at RSNA19 use MRI to illuminate abnormalities in the brain of people with depression
News | Clinical Trials | December 10, 2019
Imaging Reveals Pathways Behind Depression
December 10, 2019 — Magnetic resonance imaging (MRI) illuminates abnormalities in the brains of people with depression...
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Magnetic Resonance (MR) Coil —Performance Criteria for Safety and Performance Based Pathway
News | Magnetic Resonance Imaging (MRI) | December 09, 2019
Magnetic Resonance (MR) Coil —Performance Criteria for Safety and Performance Based Pathway
December 9, 2019 — The U.S. Food and Drug Administration (FDA) has issued a guidance for industry and FDA...
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MRI system cardiac scan from DeBakey Hospital
News | Magnetic Resonance Imaging (MRI) | December 05, 2019
ISMRM President Shares Message on MRI Education
December 5, 2019 — The following is by Lawrence L. Wald, Ph.D., President at The International Society for Magnetic...
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