Articles tagged with Magnetic Resonance Imaging
Researchers have developed a real-time thermal imaging method to guide minimally invasive brain tumor treatments. This technology enables doctors to precisely deliver the right dose to the right location, reducing risks and costs associated with follow-up imaging studies.
Researchers developed a method to measure proton nuclear resonance dispersion profiles at low magnetic fields, revealing the water exchange rate of tumor cells. This enables direct assessment of tumor status and metabolic activity, which is characteristic of aggressive and highly metastatic tumors.
Researchers at the University of Pittsburgh have developed a novel 'Tic-tac-toe' RF coil system for high-resolution brain imaging, addressing technical difficulties associated with ultrahigh field human MRI. The technology enables better understanding of neurological diseases such as depression, Alzheimer's disease, and schizophrenia.
A new study presents contrast-enhanced subharmonic imaging (SHI) as a promising tool for detecting prostate cancers not identified by MRI. SHI provides improved contrast signal and tissue suppression, leading to better visualization of microvascular architecture.
The new MR Multitasking technique allows for faster and more comfortable cardiac MRI tests by continuously acquiring image data, separating motion from other changes into multiple time dimensions. This method was found to be accurate in testing healthy volunteers and cardiac patients, completing tests in as little as 90 seconds.
Researchers found that major adverse events like divorce or death of a family member can measurably accelerate brain aging in older men. The study used MRI scans to assess brain volume and cortical thickness, predicting brain age difference based on life-changing events.
A new lung MRI method helps identify where airway inflammation and smooth muscle dysfunction occur in patients with severe asthma. This innovation aims to personalize therapy for individual patients, improving disease control and quality of life.
Scientists from Spain have created a new technique using magnetic resonance imaging (MRI) to evaluate the properties of Iberian hams and whole loins. This non-invasive method allows for the prediction of quality characteristics such as fat content, moisture levels, color, and sensory attributes without destroying the meat products.
New study reveals that ultra-slow waves are not just noise in the brain, but a fundamental process that coordinates complex brain activity. The waves enhance electrical activity in areas and persist even under anesthesia, suggesting they may be linked to consciousness.
A new technique uses engineered diamond crystals to increase the strength of magnetic field produced by molecules, increasing their signal when measured by MRI. This could enhance imaging sensitivity for patient diagnosis and personalized medicine.
A new study reveals that prostate MRI scans can reduce the number of invasive biopsies by up to 28% and detect more harmful cancers. The results show that using MRI to target biopsies leads to more significant cancer diagnoses, while also reducing unnecessary diagnoses.
Researchers at the University of Washington have developed AFQ-Browser, a web-based tool for displaying, analyzing, and sharing neurological data collected through diffusion-weighted MRI studies. The browser aims to improve transparency and data-sharing methods in neuroscience research.
A study using MRI scans found variations in the volume of the insula brain region in transgender women, which may be linked to body dysphoria and discrimination. The research suggests that these differences may begin during gestation and cannot be explained by hormone treatment.
A study of 5,065 participants found that stronger hand grips are associated with a lower heart mass and reduced remodeling of the heart muscle, indicating a reduced risk of cardiovascular events. This suggests that hand grip strength may be an important indicator of cardiovascular health.
Researchers have discovered that muscle wasting in old age follows changes in the nervous system, which can be reversed with healthy muscles. The study found that surviving nerves can send out new branches to rescue detached muscle fibers, but this process is not successful in everyone.
Researchers detect heat produced by Alfvén waves in a sunspot, shedding light on the Sun's extremely high temperatures. The discovery opens up new understanding of this phenomenon and its potential applications in energy reactors and medical devices.
A new brain imaging technique, radial VIBE, has shown promise in reducing motion-related artifacts in brain imaging of restless children. This alternative method to conventional MRI improved image quality and lesion conspicuity compared to MP-RAGE sequence.
Scientists have discovered genes linked to individual differences in brain anatomy in autistic children, with variation in cortex thickness and gene activity involved. The study provides the first evidence linking differences in the autistic brain to specific genes with atypical gene activity.
A new study published in Radiology found that imaging services played a crucial role in managing Olympic athletes with sports-related injuries and disorders. The study showed that MRI was used for nearly 60% of all imaging performed for diagnosis, highlighting its importance in fast and relevant diagnoses.
Researchers developed a high-resolution nanometer-scale magnetic resonance imaging (MRI) technique, enabling unprecedented views of biological systems. The new method extends traditional MRI capabilities to the nanoscale, providing insights into Parkinson's and Alzheimer's diseases.
Researchers developed an MRI technique that eliminates contrast agents, reducing unnecessary biopsies and detecting 98% of malignant lesions. The diffusion kurtosis imaging method provides a microscopic level picture of breast tissue, helping to clarify suspicious findings.
A study published in Neurology suggests that strokes can compromise the blood-ocular barrier, causing gadolinium to leak into the eye. This phenomenon could potentially provide valuable information about stroke severity and guide treatment.
Researchers have developed a new way to magnetise molecules found naturally in the human body, paving the way for low-cost MRI technology. This method could enable doctors to personalize life-saving medical treatments and allow real-time imaging.
Researchers at the University of Cambridge have developed a new brain mapping technique that highlights the relationship between brain connectivity and IQ. The study found a significant link between the density of connections in higher-order brain regions and individual intelligence.
A study found that preterm infants have significantly lower nasopharyngeal and oropharyngeal volumes compared to full-term peers. This suggests that the risk factors for obstructive sleep apnea (OSA) may be confined to the upper airway.
A revised set of diagnostic criteria for multiple sclerosis is expected to improve the accuracy and speed of diagnosis. The new guidelines, published in The Lancet Neurology, provide more avenues for obtaining supporting evidence for diagnosis, including positive CSF oligoclonal bands and asymptomatic MRI lesions.
Researchers have linked changes in brain anatomy to early biomarkers of Alzheimer's disease, suggesting a non-invasive test may detect AD before symptoms appear. The study found that specific regions of the hippocampal circuit shrink in individuals with high levels of tau and amyloid-Beta proteins.
A hyperactive network in the right frontal part of the brain plays a crucial role in stuttering by inhibiting speech movement planning and execution. The more severe the stuttering, the stronger the connections between brain regions involved in neural inhibition of speech movements.
A recent study found that intense physical activity did not significantly increase bone marrow edema in healthy people, challenging previous hypotheses about the role of mechanical stress in rheumatic diseases. MRI lesions were present in a significant proportion of healthy active individuals, regardless of exercise intensity.
Research at the Max Planck Institute for Human Cognitive and Brain Sciences reveals that hyperactivity in the right hemisphere of the brain is central to stuttering. The study found a stronger connection between brain regions involved in speech movements, leading to impaired fluency.
Dr Mark Griswold PhD has been elected as a fellow of the National Academy of Inventors for his highly prolific spirit of innovation in creating outstanding inventions that have made a tangible impact on quality of life and economic development. He is renowned for pioneering research and innovations in biomedical imaging.
A new study found that consumer-directed health plans, touted for their money-saving potential, have little impact on reducing spending on low-value services. Despite rising enrollment, these plans failed to motivate patients or doctors to curb unnecessary care.
A study published by Springer found that many women with high breast cancer risk are not receiving MRI scans, while those at lower risk are being screened too frequently. This highlights a missed opportunity to use technology that can help detect breast cancer early in high-risk groups.
Researchers have created a novel system that enables aggregates composed of magnetized particles to roll along a channel using a combined acoustic and magnetic field. The system has shown promise for delivering drugs to hard-to-reach sites within the body, with potential applications in cancer treatment.
A new study using advanced MRI techniques has discovered disrupted brain connectivity in obese adolescents, affecting regions involved in appetite regulation. The findings suggest a possible underlying cause for the rising rates of childhood obesity and its associated health risks.
A new study presented at the Radiological Society of North America meeting found no link between gadolinium accumulation in the brain and cognitive decline. The study involved 4,261 participants who received MRI scans with gadolinium-based contrast agents, but showed no significant predictor of cognitive decline or dementia.
Researchers found higher sodium concentrations in the cerebrospinal fluid of migraine patients compared to healthy controls, potentially aiding in diagnosis and understanding of migraines. The study used a novel magnetic resonance technique called cerebral sodium MRI to visualize sodium levels in the brain.
ALS research reveals over-connected brain regions, reduced activity in specific areas as networks disintegrate. This breakthrough technology links dynamic EEG changes with anatomical changes captured by MRI scans.
Physicists at Johannes Gutenberg University Mainz have measured the proton's magnetic moment to ten decimal places, setting a new record and confirming the Standard Model of particle physics. The results show a strong similarity between protons and antiprotons, supporting the CPT symmetry.
A new study used MRI imaging technology to plot diverse changes in body organ fat storage pools during 18 months of Mediterranean/low-carb and low-fat diets, with and without moderate physical exercise. The results showed that even with modest weight loss, the Med/LC diet was significantly superior to a low-fat diet in reducing some fa...
Researchers use terahertz scanning and advanced signal processing to analyze paintings from the 17th century, uncovering previously unknown details such as restorations and varnish layers. The technique has potential applications beyond art conservation, including detecting skin cancer and measuring paint thickness.
A recent study using MRI has uncovered a common pattern of structural abnormalities in the brains of people with depression and social anxiety. The research found that both conditions share similar clinical symptoms, suggesting they may have similar brain mechanisms. Cortical thickening in certain regions was observed in patients with ...
Researchers at Massachusetts General Hospital have developed a potential alternative to gadolinium-based contrast agents for magnetic resonance imaging (MRI). The new manganese-based agent Mn-PyC3A produced comparable image enhancement to the standard of care with rapid clearance and less likelihood of toxicity. The study used a baboon...
Self-reporting theranostic nanoparticles can provide real-time disease monitoring and tracking. The emerging field of responsive theranostic nanoparticles has the potential to advance imaging platforms and improve disease diagnosis.
Bone marrow edema was most frequent in posterior lower ilium and anterior upper sacrum in young athletes. A better understanding of this condition may improve evaluation of magnetic resonance imaging in individuals with early axial spondyloarthritis.
A study found that positive sacroiliac MRI scans can be common in healthy individuals and frequent runners, suggesting the need for additional diagnostic measures. The research emphasizes the importance of considering these results in context to avoid misdiagnosis of axial spondyloarthritis.
A study found that magnetic resonance imaging (MRI) scans of healthy military recruits showed sacroiliac joint damage similar to axial spondyloarthritis after six weeks of intensive physical training. The high prevalence of lesions at baseline and the increase in lesions after training were striking results.
A new study finds that continuously recording aEEG data provides more accurate predictions of outcomes for infants undergoing cooling therapy. Infants with persistent abnormal patterns are at increased risk of adverse outcomes, highlighting the importance of continuous monitoring.
A recent study published in Neurology found that young hockey players who experienced concussions may still have brain changes three months later. The study showed widespread damage to the white matter of the brain and a 10% reduction in metabolic molecules, highlighting the need for further research into concussion recovery.
A study of women with a 20% or greater lifetime risk of breast cancer found that only 23% underwent MRI screenings, even when the service was available at no cost. Researchers aim to understand why these women are declining screening, which could inform targeted interventions.
Researchers have found that young hockey players who suffered concussions may still exhibit white matter changes in the brain months after being cleared to return to play. Advanced MRI techniques revealed prolonged abnormalities in terms of brain structure and function, suggesting potential long-term consequences.
A recent study from Georgia Institute of Technology suggests that daydreaming during meetings or at work might not be as bad as thought. Participants with more efficient brains scored higher on intellectual and creative ability tests.
Researchers developed a novel imaging technique to assess patients with lumbar spine degeneration, providing precise assessments of water content changes in the intervertebral disk. This technology aims to recognize and predict disease earlier, enabling better treatment choices.
A study published in Scientific Reports found that city dwellers living close to a forest showed healthier amygdala structures, suggesting better stress coping mechanisms. However, the association with urban green or wasteland was not confirmed.
A new study at Yale University identified changes in the brain associated with multiple sclerosis (MS) using MRI scans in children. The researchers found that approximately 42% of children with abnormal MRI findings developed clinical MS symptoms within two years, highlighting the importance of closer follow-up for this high-risk group.
High-risk newborns with congenital heart disease (CHD) exhibit reduced functional connectivity between key brain regions even before undergoing corrective open heart surgery. Global network organization remains intact, but small world networks show remarkable ability to withstand early-life brain injury.
A longitudinal neuroimaging study found that fetal MRI can detect brain damage caused by Zika exposure in utero more effectively than standard ultrasound. The study revealed three pregnancies with abnormal fetal MRIs showing extensive areas of brain damage, which were not detected by ultrasound.
A new study by Intermountain Medical Center Heart Institute found that MRIs can be safely performed on patients with cardiac implantable electronic devices. The study evaluated 212 MRI studies in 178 patients and did not find any problems requiring remediation.
A study by UT Southwestern Medical Center found that clinicians' prior image-ordering habits and equipment ownership are strong indicators of unnecessary MRI orders. This highlights the need for physicians to offer financially responsible care, particularly in cases of uncomplicated back pain and headaches.
Researchers at ETH Zurich developed a new technique using magnetic resonance imaging to study granular systems, enabling real-time imaging and measurement of particle velocities. This breakthrough has potential applications in fields such as carbon capture and could lead to higher efficiency and energy savings.