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.

RSS icon
MRI

Experts unveil NS-RADS, a new MRI-powered system for classifying neuropathy

The Neuropathy Score Reporting and Data System (NS-RADS) was validated by radiologists from varying experience levels with good interrater agreement, experts reported in the American Journal of Roentgenology.

March 4, 2022

MRI features uncover differences between the brains of autistic girls and boys

Scientists believe their findings could inform the development of gender-specific diagnosis and treatment strategies for the disorder, according to research published the British Journal of Psychiatry.

February 28, 2022
The Biden administration will fight back and appeal a ruling that overturned the federal mask mandate on airlines and public transportation.

'Pandemic brain': PET/MRI images reveal how COVID's impact is felt by non-infected individuals

A new analysis in Brain, Behavior, and Immunity shows that no one is immune to the effects of the ongoing pandemic. 

February 25, 2022
Brain MRI

Deep learning model triages brain MRIs for abnormalities to prioritize reads

The deep learning model was trained to recognize abnormalities in real-time, reducing delays in image interpretation for clinically relevant findings.

February 24, 2022

MRI technology that provides whole-body composition reports gets FDA greenlight

AMRA Medical's product assesses body composition by analyzing muscle and fat on magnetic resonance imaging scans, the company said in a statement.

February 23, 2022
gadolinium, GBCAs

Allergic reactions to iodinated CT contrast increase likelihood of sensitivity to GBCAs

Historically, sensitivity to iodinated contrast media was not a risk factor for adverse reactions to gadolinium-based contrast agents, experts explained this week in Radiology.

February 22, 2022
Breast MRI

Breast MRI screening cuts cancer mortality rates in half for women with lesser-known gene mutations

Women with ATM, CHEK2 and PALB2 gene mutations would benefit from beginning MRI screenings earlier than previously recommended, experts reported in JAMA Oncology.

February 18, 2022

MRI-guided radiotherapy for prostate cancer cuts treatment side effects in half

The team originally planned to enroll 300 men in the study, but the decisive results seen among the first 100 patients prompted them to cut enrollment in half.

February 15, 2022
Displaying 273 - 280 of 350

Around the web

Cardiovascular Business
AI improves CT assessments, boosts care for real-world heart patients

Automated AI-generated measurements combined with annotated CT images can improve treatment planning and help referring physicians and patients better understand their disease, explained Sarah Jane Rinehart, MD, director of cardiac imaging with Charleston Area Medical Center.

Cardiovascular Business
AI predicts cardiovascular risk during CT scans—no invasive tests or contrast required

Two advanced algorithms—one for CAC scores and another for segmenting cardiac chamber volumes—outperformed radiologists when assessing low-dose chest CT scans. 

Radiology Business
Google teams with Bayer to address radiologist burnout via AI

"Gen AI can help tackle repetitive tasks and provide insights into massive datasets, saving valuable time," Thomas Kurian, CEO of Google Cloud, said Tuesday. 

Design by Adaptive Theme
Trimed Popup
Trimed Popup