Articles tagged with Magnetic Resonance Imaging
A study using MR spectroscopy found that preterm infants' brains develop differently than full-term infants, with a disruption in the timing and synchronization of white and gray matter maturation. This false start in brain development may contribute to long-term problems such as autism and ADHD.
Two studies on breast MRI usage found a significant increase in its use for diagnostic evaluations and screenings, particularly among high-risk women. The studies also revealed disparities in the use of breast MRI, with some groups receiving more frequent screening than others.
A large national study found that breast MRI screenings nearly tripled from 2005 to 2009, with a notable increase in high-risk women. Despite this progress, the study highlights areas for improvement in the use of breast MRI for risk-based screening.
A new study found that people's decisions on recognizing faces are dependent on the context, not just repeated exposure. The brain's fusiform face area learns familiar information about faces, while the superior temporal sulcus influences recognition reports based on social context.
A Polish study has developed a new imaging modality using Magnetic Resonance Imaging-Ultrasound (MRIUS) to guide prostate biopsies, yielding higher sensitivity rates compared to traditional TRUS biopsies. The technology, which fuses MRI with TRUS images, allows for real-time guidance of targeted biopsies in office settings.
Researchers at Case Western Reserve University are working on an MRI-guided robotic heart catheter to accurately navigate and target tissues in the heart. The technology aims to reduce complications associated with current treatments for arterial fibrillation, allowing doctors to more precisely ablate the affected tissue and restore no...
Researchers at Michigan State University developed a simple 'noun-verb' test to measure creativity, finding that those who gave creative answers in the test were indeed the most creative as measured by other methods. The test could help create better educational and training programs to foster creativity.
Researchers correctly identified the brains of mathematician Carl Friedrich Gauss and medical scholar Conrad Heinrich Fuchs using MRI scans, revealing they were switched over 150 years ago. The discovery highlights the importance of historic collections for modern-day research.
A new study reveals that corporate bosses selectively intervene in subsidiary decisions to prevent competitive spillovers and maintain a 'go along to get along' cooperative attitude. This approach restricts growth in certain businesses within the corporation, ultimately benefiting rivals at the expense of consumers.
Researchers at UCLA's College of Letters and Science have employed magnetic resonance imaging (MRI) to better measure the temperature of gases inside a catalytic reactor. This non-invasive method maps gas temperatures in real-time, enabling engineers and chemists to design better lab-on-a-chip devices and optimize reactor conditions.
Researchers have developed a new hyperpolarization technique for MRI scans using naturally occurring pyruvic acid, reducing the need for potentially toxic substances. This breakthrough improves imaging quality and diagnosis while minimizing health risks.
A new MRI technique has been developed to detect Fabry disease, a genetic condition that affects the heart, brain, and nerves. The T1 mapping test can identify microscopic changes in the heart muscle structure that are not visible on regular images, allowing for early detection and treatment.
Group Health Research Institute received two PCORI awards to study the effectiveness of breast MRI compared to mammography for breast cancer surveillance. The institute also provides assistance to a new national data network, enhancing the nation's ability to conduct patient-centered comparative effectiveness research.
The American College of Radiology has developed a safety checklist for pediatric digital radiography, aiming to standardize work processes and reduce reliance on memory. The checklist is designed to decrease the chance of medical errors and improve patient care in pediatric radiography.
A new MRI technique has been developed with a spatial resolution of roughly 10 nanometers, significantly improving sensitivity. The team used a novel protocol and nanoscale metal constriction to overcome obstacles in applying classic pulsed magnetic resonance techniques.
Researchers at Brigham Young University have developed a new breast cancer screening technique using sodium MRI that produces five-times more accurate images than previous methods. The device aims to reduce false positives and unnecessary biopsies by scanning for sodium levels in the breast.
Researchers at LSU will utilize the SuperMIC cluster for various projects, including discovery of new drugs and modeling coastal processes. The project aims to train the next generation of researchers in high-performance computing and prepare students for the future.
A study published in Radiology found that patients referred by physicians with financial interest in imaging equipment were more likely to receive negative findings on knee MRI exams. This suggests that financial incentives may drive overuse of high-tech imaging, contributing to escalating medical costs.
Scientists at Virginia Tech Carilion Research Institute have reported experimental evidence supporting the top-down theory of fullerene formation. The discovery could lead to better medical imaging contrast agents and cancer treatment methods, as fullerenes with trapped metal atoms show low side-effect risks.
Researchers link brain atrophy to cognitive decline in Type 2 diabetes, challenging previous assumptions. Brain atrophy is found to be the primary cause of cognitive impairment associated with T2DM, exceeding cerebrovascular lesions.
A new study published in Radiology found that whole-body MRI can accurately predict the risk of heart attack and stroke in diabetic patients. The study revealed that patients with detectable vascular changes on whole-body MRI faced a cumulative risk rate of 20% at three years, increasing to 35% at six years.
Researchers discovered that degeneration of the fornix, a structure carrying messages to and from the hippocampus, is a key predictor of future cognitive decline. Fornix variables were found to precede clinically relevant deterioration of cognitive function in cognitively normal elderly individuals.
A new study from Memorial Sloan Kettering Cancer Center found that MRI use in women with early breast cancer did not reduce local recurrence or contralateral breast cancer rates. The study, which looked at over 2,300 patients, suggests that the benefits of MRI may be limited to other patient groups.
Rice University scientists have developed bismuth-filled nanotubes as a contrast agent for CT scans, producing brighter images than common iodine-based agents. The nanotube capsules are small enough to diffuse into cells and aggregate to produce high-contrast images.
Studies find radiation therapy for DCIS does not increase cardiovascular disease risk, while MRI scans may be unnecessary. Additionally, most women have inaccurate perceptions of their personal breast cancer risk, sparking the need for better communication between patients and doctors.
Researchers at Boston University School of Medicine advocate for a more individualized approach to diagnosing obesity, considering factors beyond Body Mass Index (BMI). This shift could help identify healthier obese individuals and prevent unnecessary medical interventions.
Researchers will validate new MRI techniques and biomarkers to identify early stages of osteoarthritis and test therapies for prevention. The study aims to develop biomarkers that reflect joint environment changes predictive of arthritis development.
A team of researchers led by WPI's Gregory Fischer will test a new minimally invasive approach to treating brain tumors using a robot designed to work within an MRI scanner. The system promises to accurately destroy malignant tissue while leaving surrounding tissue unaffected, offering a significant improvement over current treatments.
Researchers have demonstrated a method to create polarization order from random fluctuations, enabling enhanced sensitivity in nanometer-scale magnetic resonance imaging (MRI) and potentially solid-state quantum computers. This achievement has the potential to revolutionize nano- and atomic-scale imaging techniques.
HZDR physicists offer new explanation for magnetic field-induced turbulences within 'dead zones,' enabling compact object formation. This breakthrough sheds light on the role of magnetic fields in planetary system formation.
A study by Yale School of Medicine researchers found a significant increase in preoperative breast MRI use among older women with breast cancer, leading to more aggressive surgical treatment. Women who received an MRI were more likely to undergo bilateral mastectomy and contralateral prophylactic mastectomy.
Researchers developed a new test to identify early-onset dementia in individuals aged 40-65 using face recognition tests, distinguishing between name and facial recognition. The study found significant differences in brain tissue loss between those with and without dementia, providing valuable insights into cognitive impairment.
A new technique uses radio waves to magnetically label glucose in the body, detecting bright images on MRI scans of mice, enabling a cheaper and safer alternative to existing methods. The method could enable patients to be scanned in local hospitals without radiation risks.
A study of contaminated steroid injections found that even asymptomatic patients can have fungal infections. Magnetic resonance imaging (MRI) can detect infection, especially in those who received highly contaminated injections.
A study of over 2,000 adults found that increased abdominal aortic wall thickness and plaque buildup are associated with future cardiovascular events. MRI measurements can help identify individuals at risk of these events.
A study found that MRI screening at the injection site can detect fungal spinal and paraspinal infections earlier, allowing for timely medical and surgical treatment. The researchers recommend obtaining contrast-enhanced MRI of the injection site in patients with persistent back pain.
Researchers at UT Southwestern Medical Center used MRI to measure aortic atherosclerosis and found that thicker walls were associated with a higher risk of cardiovascular events, including heart attacks. A smaller plaque buildup was linked to increased risk of peripheral vascular occlusion, stroke, and abdominal aortic aneurysms.
Researchers developed a new MRI technique that analyzes electro-magnetic waves for detecting multiple sclerosis changes in fine detail. This method provides a more powerful tool for evaluating new treatments and could lead to smaller studies.
A study published in Radiology found that frequent heading in soccer is associated with white matter microstructural changes and cognitive impairments, similar to those seen in traumatic brain injury patients. Players who headed the ball over 1,800 times per year showed poorer memory scores.
Researchers found that using stress cardiac magnetic resonance imaging in an Emergency Department observation unit reduced hospital readmissions, coronary revascularization procedures, and the need for additional cardiac testing. This approach also helped reduce care costs by $2,100 per patient per year.
Scientists at ICFO have developed a method to measure weak forces with sensitivity 50 times higher than previous methods, enabling magnetic resonance imaging of individual molecules. This breakthrough could lead to significant advances in medical imaging and diagnostics.
Research using MRI scans has identified early changes in the hearts of children who have undergone chemotherapy, allowing for potential preventative therapy. The study used T1 mapping to detect fibrosis and found a correlation with exercise capacity and cumulative dose of anthracyclines.
A new MRI study by Brown University researchers reveals that exclusive breastfeeding for at least three months enhances brain development in infants, particularly in areas related to language and emotional function. The study found a 20-30% increase in white matter growth in breastfed babies compared to formula-fed babies.
A new technique developed by Dr. Fred Helmstetter and his research group studies the brain's reaction to anticipated pain, focusing on the amygdala's role in emotional learning and behavior. The study uses a combination of MRI and MEG to map amygdala activity over time, providing new insights into anxiety disorders and psychopathology.
A study found no correlation between interleukin 17F levels and treatment response to interferon beta-1b therapy in relapsing-remitting multiple sclerosis. The study concludes that using immune-based biomarker signatures may help identify response markers.
Researchers have developed new superresolution and segmentation methods for magnetic resonance images to analyze structural brain differences in psychotic patients and their healthy relatives. These methods improve the quality of images and enable automatic calculations of desired sizes, leading to a better understanding of psychosis.
Researchers from PTB and international partners have created superconducting sensors to detect the magnetic moments of helium-3 atoms with extreme sensitivity. This has allowed them to investigate the unique quantum liquid of helium-3 in detail, enabling the detection and investigation of excitations that behave like Majorana fermions.
A new study found that metal-on-metal hip implants can cause inflammation of the joint lining (synovitis) in asymptomatic patients, with MRI scans identifying this inflammation. The study suggests that symptoms alone are insufficient to determine an implant's health and recommends using imaging, such as MRI, to predict potential damage.
A large-scale study found that minimally invasive MRI autopsies accurately determined the cause of death for 92% of fetuses and babies younger than one year. However, accuracy decreased for children aged 1-16 years, with only half of cases agreeing on cause of death. The study suggests that MRI may not detect infections in this age group.
Researchers have developed a new dye that surpasses current contrast agents in terms of image quality and duration, opening up possibilities for live-cell filming and reduced costs. The breakthrough could lead to expanded use of imaging technology in developing countries, where access to medical equipment is limited.
Researchers at NYU have created a novel way to enhance MRI by reducing interference from large macromolecules that can obscure images. This method has the potential to improve MRI for cartilage as well as brain tissue, allowing for more accurate diagnoses.
A new study found that MRI atrophy in the thalamus is a strong predictor of multiple sclerosis (MS) development and progression. Thalamic atrophy was associated with increased risk of conversion to clinically definite MS, outperforming traditional methods for evaluating patients at risk.
Recent studies have shown that image-guided brachytherapy can deliver high doses of radiotherapy to tumours while sparing surrounding organs, leading to effective treatment with fewer side-effects. The studies also found a clear dose response relationship between radiation dose and vaginal morbidity.
A new study shows that dual energy CT is an effective way to evaluate emergency department patients with possible ACL tears. The imaging technique accurately identified ACL tears in 94% of cases, making it a promising alternative to MRI.
Researchers used MRI to measure endothelial sheer stress (ESS) in atherosclerotic plaques, identifying high-risk plaques prone to disruption. The study found that low ESS was associated with unstable plaques, highlighting the importance of hemodynamics in atherosclerosis progression.
A new study found that neuroimaging data can predict the likelihood of reoffending following prison release. Inmates with lower anterior cingulate cortex activity were twice as likely to reoffend compared to those with higher activity.
Research suggests that migraines are related to brain abnormalities present at birth and others that develop over time. Cortical thickness and surface area abnormalities were found in regions related to pain processing, with minimal overlap between the two types of abnormalities.
A Canadian study found that more than half of lower-back MRIs ordered at two hospitals were either inappropriate or of questionable value for patients. Family doctors were more likely to order these tests compared to specialists, highlighting the need for better education on when to use MRI scans.
Researchers have found that atrophy of the thalamus is a key predictor of clinically definite multiple sclerosis (MS) in patients. Thalamic atrophy can help identify patients at risk for developing MS, allowing clinicians to diagnose earlier and monitor disease progression.
A new study found that MRI is highly sensitive and specific for identifying tissue damage in metal-on-metal hip replacement patients. Early detection allows for timely revision surgery, decreasing the risk of further tissue damage and pain.