Articles tagged with Radiology
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.
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 trained pigeons to distinguish between benign and malignant breast histology and radiology images, showing their ability to generalize what they learned. The study suggests that pigeons could aid in understanding human medical image perception and performance assessment.
A study from Massachusetts General Hospital found that CT scans altered physicians' diagnoses and management decisions for over half of patients with abdominal pain, chest pain/shortness of breath, or headache. The scan helped confirm or rule out alternative diagnoses in most cases, leading to changes in admission decisions.
A new virtual reality approach has been developed to improve the treatment of aortic aneurysms by providing more accurate visualization of the area needing treatment. The approach uses 3D images and simulations to predict the risk of rupture and optimize treatment options, including open surgery and endovascular grafting.
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.
The new guidelines promise to improve the detection of life-threatening tumors and reduce unnecessary biopsies, with the potential to save lives. The standards for acquiring and reporting MRI scans will be widely adopted, making it easier for doctors to identify significant cancers.
A study highlights a significant safety concern with linear gadolinium-based contrast agents (GBCAs), which can lead to brain gadolinium deposits in patients. The researchers found that repeated use of these agents causes persistent MRI abnormalities and high total gadolinium concentrations in the deep brain, highlighting the need for ...
A study found a strong correlation between breast arterial calcification and coronary artery calcification, suggesting that mammography could help identify women at risk of heart disease. The presence of BAC was linked to an increased CAC score, highlighting its potential as a preventive measure.
A protocol developed by radiologists significantly reduced CT misadministration at the Santa Clara Valley Medical Center from 18 instances to zero in just 10 months. The best practices protocol included assessment levels such as reverification checklists and individual accountability.
DECT imaging enhances pancreatic cancer assessment through improved lesion detection and characterization, potentially improving patient outcomes. The technique has shown promise in detecting and evaluating pancreatic tumors, offering a more comprehensive analysis than traditional single-energy CT imaging.
A genome-wide association study identified genetic signals linked to increased AD risk, including those associated with CRP and plasma lipid levels. The findings suggest that targeting these risk factors may help delay AD progression and could have significant societal implications.
The Society of Interventional Radiology Foundation recognizes innovators in interventional radiology with the Leaders in Innovation Award. Sharon Kwan receives the Dr. Gary J. Becker Young Investigator Award for her research on sublobar resection and thermal ablation for early-stage non-small cell lung cancer.
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.
Researchers identified patients who donated their body to medical research and had undergone multiple MRI exams. Brain tissue samples showed measurable quantities of gadolinium deposited in the brain tissue of exposed patients, but no specific symptoms or diseases were linked to this finding.
The Journal of Vascular and Interventional Radiology presented awards for papers on stent patency and inhibiting tumor growth at the Society of Interventional Radiology's Annual Scientific Meeting. These awards recognized advancements in chemotherapy and radiation, leading to improved patient outcomes.
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.
The Society of Interventional Radiology presented its highest honor, the SIR Gold Medal, to Johannes Lammer, Anne C. Roberts, and Harvey L. Neiman for their contributions to interventional radiology, including innovation, collaboration and improved patient care. The awards recognize distinguished service to the society or discipline.
Researchers developed bioactive filaments, chemotherapy beads, and catheters that can deliver antibiotics and chemotherapeutic agents in targeted areas. These devices have the potential to inhibit bacterial growth and cancer cell proliferation.
A new treatment option for benign prostatic hyperplasia (BPH) has been shown to improve patient symptoms regardless of prostate size. Prostate artery embolization (PAE) is a minimally invasive procedure that blocks blood flow to the enlarged gland, resulting in reduced risk of bleeding and urinary complications.
The Society of Interventional Radiology has selected 23 new Fellows, recognizing their achievements in research, teaching, and leadership in the field. The SIR Fellowship is a prestigious honor conferred to members who have demonstrated excellence in advancing medical practice through image-guided treatments.
A new image-guided treatment has been shown to provide sustained relief for chronic migraine sufferers, allowing them to require less medication. The treatment involves injecting a numbing agent into the sphenopalatine ganglion, a nerve bundle associated with migraines, and results in a 36% decrease in pain scores.
Researchers utilized ultrasound imaging to treat patients with chronic, refractory plantar fasciopathy, achieving over 90% symptom improvement at six months. The treatment allows for permanent removal of diseased tissue, enabling healthy regrowth and restored normal function.
At SIR 2015, Robert K. Kerlan discussed the need for collaboration between interventional radiologists and the broader medical community to address changing healthcare economics and practices. Kerlan emphasized the field's potential for improving patient care through innovative therapies.
The use of ultrasound for supplemental breast cancer screening is hindered by the lack of intensive training programs for physicians and interpreters. This limitation is attributed to MRI's restricted use due to pacemaker and claustrophobia concerns, making it an alternative option.
Researchers found that less than 7% of patients with dizziness or syncope benefited from head CT scans. Most cases can be managed with a careful history and physical examination, making unnecessary CT scans a common but potentially harmful practice.
Advanced medical imaging increases diagnostic confidence and facilitates rapid diagnoses, leading to better clinical decisions. Primary care physicians perceive imaging as crucial for quality patient care, particularly for sicker patients.
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.
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.
The PRESERVE study aims to determine the safety and effectiveness of IVC filters in preventing pulmonary embolism. It will enroll 2,100 patients at over 60 centers across the US and assess patient outcomes every six months for up to two years.
Researchers at Stanford University have found that patients with chronic fatigue syndrome exhibit distinct brain abnormalities, including reduced white-matter content and abnormal nerve tract function. The findings may lead to more definitive diagnoses and potentially identify new treatment targets.
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.
Radiologists in Singapore outline lessons learned from SARS to improve current Ebola outbreak response. The article highlights the importance of balancing clinical needs with patient and staff safety.
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 study found that patients and healthcare professionals are willing to accept high rates of false-positives in cancer screening tests in exchange for increased diagnostic sensitivity. This means they are more likely to undergo unnecessary testing, such as radiologic or invasive follow-up tests, than accurate but inconclusive results.
A new study published in the New England Journal of Medicine found that CT scans are no more accurate than ultrasound exams in diagnosing painful kidney stones. The study suggests that ultrasound should be used as the first step in diagnosis, avoiding unnecessary radiation exposure.
A large-scale study found that iodine-based contrast material used in CT scans is not linked to kidney damage or death in most patients. The research, conducted at the Mayo Clinic, analyzed data from over 21,000 patients and showed no significant difference in adverse events between those who received contrast and those who did not.
Researchers have identified two new radiological signs of potentially life-threatening gastric lap band slippage, enabling radiologists to accurately diagnose the condition. The new signs include inferior displacement of the superolateral band margin and air-fluid levels above the band on frontal radiographs.
Researchers assess emergency radiology response after Boston Marathon bombings, highlighting critical role of medical imaging in emergency situations and ways to improve preparedness for mass casualty events. Imaging played a vital role in evaluating extensive shrapnel injuries with X-ray and CT scans.
A new study has identified a defining characteristic of Middle East Respiratory Syndrome (MERS) in CT imaging of hospitalized patients confirmed as having the disease. The most common CT finding is suggestive of an organizing pneumonia pattern, which can aid in early diagnosis.
Researchers at Rochester Institute of Technology create algorithms to quantify lung nodule growth on CT scans, identifying small cancers and obviating risky biopsies. The software compensates for background factors and estimates nodule volumes, enabling accurate doubling time calculation and malignant growth detection.
A recent study published in Nature Biotechnology reveals that NIH patents generate high-quality intellectual property and drive additional R&D activity. The report highlights the importance of publicly-funded research in fueling America's innovation economy.
Siegel's work on PET has led to a major advance in nuclear medicine science, with a focus on evidence-based clinical trials and widespread acceptance of imaging studies. He is recognized for his visionary leadership in developing scientific methodology.
A new study uses chest CT scans to identify individuals at high risk for cardiovascular disease, regardless of conventional risk factor status. The study found that radiologic information can complement standard clinical strategies in cardiovascular risk screening.
Researchers found that Hybrid SPECT-CT was 100% accurate in localizing gastrointestinal bleeding in patients with prior surgeries. The technology has the potential to improve clinical care by resolving ambiguities in planar scintigraphy.
A study found that women significantly overestimated radiation exposure from a single mammogram compared to other benchmarks. To address this, medical staff should inform patients about the low dose of radiation associated with mammography and provide objective facts to ensure informed decisions.
A study published by the American Roentgen Ray Society found that image-guided peritoneal dialysis catheter placement significantly reduced complications at 1 year post-insertion. The technique allowed for faster catheter placement, facilitating urgent-start peritoneal dialysis and avoiding temporary vascular-access catheters.
Researchers found CT-guided IRE to be successful in treating locally advanced pancreatic cancer without major complications. The procedure offers a safe alternative to intraoperative IRE ablation, improving life expectancy for some patients.
Researchers have discovered that glutamate imaging using chemical exchange saturation transfer (CEST) technology can reveal ischemic lesions in the brain within the first three hours after a stroke. This breakthrough has the potential to speed up diagnosis and treatment, leading to better patient outcomes.
A retrospective chart review found that high-risk lesions were predominantly identified in screened patients, enabling the administration of chemoprevention and reducing the risk of subsequent breast cancer development. Supplemental screening MRI may also detect future mammographically occult malignancies in these patients.
Research conducted at Massachusetts General Hospital found that iterative reconstruction techniques enabled a 50% reduction in radiation dose for abdominal CT exams. This technology simplifies quality and safety assurance in busy practices with diverse CT equipment and remote scanner locations.
A new study found that access to electronic health records (EHRs) can significantly impact the interpretation of head CT scans, potentially leading to adverse effects on medical management. In nine percent of cases, EHR data was deemed crucial for accurate diagnosis, highlighting the importance of widespread EHR adoption.
A new study using MRI scans has found disrupted connections between different areas of the brain in children and adolescents with ADHD. The research suggests that these abnormalities may be related to the symptoms of ADHD, such as inattention and hyperactivity.
A study found that longer diabetes duration is associated with brain volume loss and grey matter shrinkage, contrary to previous assumptions about its impact on small vessel ischemic disease. The researchers suggest potential implications for cognitive decline in patients with diabetes.
A quality improvement initiative at an American College of Radiology institution led to a significant reduction in unnecessary follow-up imaging for adnexal cystic lesions. The initiative improved sonographic characterization and imaging triage, increasing confidence in characterizing certain lesions as physiologic or benign.
A study of nearly 500 men found that nonsurgical prostate artery embolization improved symptoms by 72% at three years, while preserving fertility. The treatment, which involves blocking blood flow to the prostate, also showed promise in cases where the problem recurred.
A study found that video glasses effectively distract patients undergoing minimally invasive treatment procedures, such as biopsies and catheter placements. Patients wearing video glasses showed a significant reduction in anxiety levels, with no adverse effects on blood pressure or pain levels.
A new treatment option for metastatic breast cancer patients with liver metastases shows promise in slowing disease progression and improving quality of life. Yttrium-90 radioembolization was safe and provided disease stabilization in 98.5% of treated liver tumors, with many experiencing significant tumor shrinkage.
A new vertebral augmentation implant showed promise in reducing pain and improving function in patients with compression fractures caused by osteoporosis. The study, involving 300 patients, found the implant to be effective in providing similar pain relief as current treatments and improving quality of life.