A new approach to treating obesity involves embolizing the gastric artery to suppress appetite-stimulating hormone ghrelin. Initial results show that three out of five morbidly obese patients experienced significant weight loss, including one patient who lost 50 pounds in nine months.
A new study using MRI reveals that elite free divers experience cardiovascular changes during apnea, including a decrease in heart rate and blood pressure. Despite these changes, the divers' heart function recovers quickly upon breathing again.
Researchers recorded simultaneous audio and visual evidence of knuckle cracking using ultrasound imaging. The study found a correlation between the audible crack and a bright flash on ultrasound, suggesting that the sound results from gas bubble dynamics in the joint.
Researchers have developed software for the Microsoft Kinect gaming console that measures body part thickness and checks for motion, positioning, and beam adjustment immediately before X-ray imaging. This technology aims to reduce radiation exposure and improve image quality for diagnostic accuracy.
A study found that concussed football players had reduced cerebral blood flow even after clinical recovery, suggesting a role for MRI in determining when to allow them to return to competition. This technology may provide a more objective measurement of recovery and help prevent second injuries.
A study published at the Radiological Society of North America meeting found that ultra-distance running causes significant degradation in knee and ankle cartilage, but also enables its regeneration. The researchers used a mobile MRI scanner to track 44 runners over 64 days, revealing no distance limit for joint cartilage damage.
A new MRI study reveals that substantial weight loss can protect against knee cartilage degeneration and reduce the risk of osteoarthritis. The study found that patients who lost more than 10% of their body weight showed slower cartilage degeneration compared to those who did not lose weight.
Researchers found that children left without direct parental care for extended periods show larger gray matter volumes in the brain. The study also revealed a negative correlation between gray matter volume and IQ scores in left-behind children, suggesting delayed brain development.
A study presented at the Radiological Society of North America meeting found that Medicaid expansion improved breast cancer screening rates among low-income women in US states. The analysis showed a significant increase in breast cancer screening adherence after implementation of Medicaid expansion programs in early adopter states.
A study published in Radiology found that MRI-detected multicentric cancers are larger and potentially more aggressive than index cancers detected by mammography, necessitating treatment changes. In 25% of cases, these multicentric cancers were over 1 centimeter in size.
Obese children show increased brain activity in areas linked to impulsivity and obsessive-compulsive disorder when exposed to food smells. In contrast, normal-weight children exhibit brain connections between taste processing and reward anticipation.
A new study found that women with subsolid lung nodules have a higher risk of developing lung cancer than men. The study, which reviewed CT scans from the National Lung Screening Trial, discovered that women with ground-glass nodules had a significantly higher relative risk of lung cancer.
A new study using 3-D MRI found that diabetic patients have a higher risk of stroke due to advanced vascular disease, with 23.3% having intraplaque hemorrhage in at least one carotid artery. The finding suggests that 3-D MRI could be useful in determining stroke risk among diabetics.
A large study found that high-grade DCIS detection rates increase with age, particularly among women over 65. The study suggests that standard DCIS therapy may not be effective in this age group and highlights the need for more research on the effectiveness of screening.
A new MRI study found that the main pumping chamber of the heart ages differently in men and women, with men's hearts becoming heavier and holding less blood. The study suggests that optimum treatment for heart failure may not be the same for women and men, highlighting the importance of personalized medicine.
A recent study published in Radiology found that older adults recover more slowly from concussions, exhibiting reduced neural plasticity and persistent hypoactivation. This suggests that mild traumatic brain injuries may have a more profound effect on older patients, highlighting the need for age-specific management strategies.
A new MRI technique, DWIBS-MRM, has been shown to provide accurate results for breast cancer detection without the need for ionizing radiation or contrast agents. The technique achieved a high negative predictive value of 92% and may potentially reduce unnecessary biopsies.
A study using MRI to evaluate 603 military service members with TBI found that cerebral microhemorrhages were more common among those imaged within three months post-injury. Early detection of microbleeding could provide important information regarding disease progression or recovery.
A study published in Radiology found associations between specific cardiovascular risk factors, such as alcohol consumption and smoking, and reduced brain volume in key regions. These findings suggest that risk factors may be early indicators of cognitive decline and Alzheimer's disease.
A new study published in Radiology found that substance abuse has long-term effects on brain volume in women, with significant reductions in gray matter volume in several brain areas. In contrast, men showed no such brain changes after abstinence from stimulant use.
A new study published in Radiology found that MRI and CT scans can help explain COPD symptoms and exercise limitations, allowing for more personalized treatment. The findings suggest that lung imaging can provide a deeper understanding of the disease and improve patient outcomes.
A new study published in Radiology found that annual low-dose computed tomography (CT) screening can safely monitor people with nonsolid lung nodules, reducing the need for unnecessary surgery and additional imaging. Nonsolid nodules are visible on CT scans of the chest and management is challenging.
Researchers discovered unique white matter injury patterns in patients with concussion-related depression and anxiety, suggesting similar mechanisms to non-trauma dependent depression. Anxiety patients showed diminished fractional anisotropy in the brain's fear modulation region, indicating different treatment targets may be required.
Researchers found that patients with larger aneurysms or incomplete occlusion face a long-term risk of aneurysm recurrences after endovascular treatment. The study suggests that longer follow-up protocols may be necessary for some intracranial aneurysm patients who undergo EVT.
A new study published in Radiology found that non-calcified arterial plaque is associated with diabetes, high systolic blood pressure, and elevated 'bad' cholesterol levels. CT angiography can quantify plaque burden and assess progression or regression of coronary artery disease in low-to-moderate risk individuals.
A new study published in Radiology found that degeneration of white matter in the brain may be an early marker of specific types of Alzheimer's disease. White matter damage was found to be more severe and widespread in patients with atypical AD forms, suggesting a potential biomarker for early diagnosis.
A new study suggests that background parenchymal enhancement (BPE) on MRI scans may help tailor screening and management strategies to individual breast cancer risk. Women with elevated BPE levels were nine times more likely to be diagnosed with breast cancer, while mammographic density showed no significant relationship.
A recent study found that women are at a higher risk of persistent memory impairment after a concussion, with brain scans revealing reduced activation in working memory circuits. The study's findings suggest that female gender may be a risk factor for working memory impairment after mild traumatic brain injury.
A new study found that cancer patients have variable knowledge about imaging tests, with most wanting basic education about radiation use and understanding how tests differ. Patients also desired information on potential long-term risks and participation in decision-making about medical imaging.
A new study uses MR spectroscopy to identify biochemical changes associated with precancerous breast tissue in women with BRCA gene mutations. The technique shows promise for detecting cancer at an early stage, potentially allowing for more targeted treatments and preventive measures.
A study found that radiologist recommendations for chest computed tomography (CT) after abnormal chest X-rays have a high clinical yield, with 41.4% of recommended exams detecting cancer or other abnormalities requiring treatment.
A new interventional radiology procedure has been shown to preserve the uterus in patients with placenta accreta, reducing the risk of massive obstetric hemorrhage and potential hysterectomy. The study found that placement of balloons in the main artery of the pelvis prior to a Caesarean section is safe for both mother and baby.
A popular knee surgery to repair meniscal tears may accelerate disease onset in some patients. Meniscal surgery was associated with a higher risk of developing osteoarthritis and cartilage loss compared to conservative management.
A study found that approximately 88% of pediatric chest X-ray exams did not alter clinical treatment, highlighting potential waste in the healthcare system. In cases where patients were ordered for symptoms like syncope or dizziness, no findings were made that affected treatment over a five-year period.
A new study found that diabetic patients with even mild coronary artery disease are at a comparable risk of heart attacks and major adverse events to those with severe obstructive disease. Researchers used cardiac computed tomography angiography data from 14,000 patients to evaluate long-term prognostic value in diabetic patients.
A study found that risk-based screening for breast cancer in women aged 40-49 would miss over 75% of invasive cancers, potentially eliminating survival benefits. Strong family history and dense breast tissue were commonly absent in diagnosed cases.
A new study found that digital breast tomosynthesis significantly increases cancer detection in women with dense breasts. In a population-based mammography screening program, tomosynthesis improved cancer detection rates by 30-40%, particularly for invasive cancers and those with fatty breasts.
A study by RSNA found that patients who have direct access to their imaging exams report high satisfaction with improved healthcare quality and enhanced patient engagement. The use of Internet-based interoperable image exchange systems allows patients to securely store, manage, and share their imaging records.
A new study suggests that changes in brain connections visible on MRI could represent an early sign of Alzheimer's disease. Researchers analyzed 102 patients and found a strong association between increased beta amyloid plaque and decreased white matter strength.
A study found that high school football players exhibit measurable brain changes after a single season of play, even without concussion. The researchers discovered areas of decreased fractional anisotropy in the brain's white matter among heavy hitters, suggesting microstructural abnormalities.
A new study using PET/CT technology found that military veterans with post-traumatic stress disorder (PTSD) often have abnormal pituitary gland function. The research suggests that hormone imbalances in the pituitary gland may be a key factor in the development of PTSD in veterans who have also suffered from mild traumatic brain injury.
A study by researchers at Brigham and Women's Hospital found that using 3D printed models of the recipient's head improved pre-operative data, allowing surgeons to better appreciate complex anatomy and bony defects. This reduction in procedure time led to improved overall patient outcomes.
Researchers found a significant association between atherosclerosis and mild cognitive impairment in a study of nearly 2,000 adults. The study used MRI and CT imaging techniques to measure plaque buildup in arteries and brain health.
Researchers developed a device to display average pressure during compression, reducing pain and variability associated with current force-based protocol. The study found that standardizing pressure, not force, leads to more comfortable mammography without sacrificing image quality.
Radiologists have issued a special report on radiology preparedness for handling cases of Ebola virus, outlining protocols and recommendations for healthcare administrators. The report emphasizes the importance of clear communication, proper equipment use, and specialized isolation units to prevent infection of medical personnel.
Researchers used coronary computed tomography angiography (CCTA) to detect high-risk coronary artery plaque and non-alcoholic fatty liver disease (NAFLD), a condition characterized by abnormal liver function. The study found that NAFLD is associated with high-risk plaque, even after adjusting for traditional risk factors.
Researchers have found structural abnormalities in the brains of people with chronic fatigue syndrome (CFS), a debilitating disease affecting over 1 million adults and children. The study suggests that magnetic resonance imaging (MRI) can help diagnose and track CFS, using specific biomarkers to measure brain structure and function.
A study found that combining digital mammography with tomosynthesis screening is more effective in detecting breast cancer among women with dense breasts. This combined approach avoids false-positive results and unnecessary procedures, making it a cost-effective option.
A new study published in Radiology found that teenage baseball pitchers who throw more than 100 pitches per week are at risk for acromial apophysiolysis, a condition characterized by incomplete fusion and tenderness at the acromion. The study also found that these pitchers are more likely to develop rotator cuff tears later in life.
A new MRI technique called arterial spin labeling (ASL) can detect signs of cognitive decline in the brain even before symptoms appear. The technique measures brain perfusion and has the potential to serve as a biomarker for very early diagnosis of preclinical dementia.