A recent study followed 44 ultra-marathon runners for two months to investigate the physical effects of long-distance running. The research found that runners experienced significant muscle loss in their legs, as well as substantial fat reduction, particularly in visceral fat, which is linked to cardiovascular disease.
A new study by Radiological Society of North America suggests that routine mammography screening in women over 40 has a very low risk of radiation-induced breast cancer. The study found that annual or biennial screening would result in few cancers and fatalities, but numerous lives saved through early detection.
A new study combines digital breast tomosynthesis and diffuse optical tomography to improve breast cancer diagnosis accuracy. The combined imaging system can distinguish between malignant and benign lesions, reducing unnecessary biopsies.
A new study suggests that multidetector computed tomography (CT) can pinpoint the causes of ischemic strokes, potentially reducing treatment delays. The technique detected cardiac sources in 18 of 25 cases and facilitated stroke classification in 83% of patients.
A new study suggests that MRI can accurately predict the duration of a stroke within 90% accuracy, allowing more patients to be treated with clot-busting drug tPA. This could change the way stroke is managed in emergency settings, enabling all patients to receive urgent treatment regardless of symptom onset time.
Researchers used MRI to identify microbleeds and altered iron distribution in the brains of individuals with mild cognitive impairment. These biomarkers predicted disease progression with high accuracy, offering new hope for early diagnosis and treatment of Alzheimer's disease.
A new study published in Radiology suggests that radiologists can predict cardiovascular disease using incidental findings from routine CT scans. The study found that aortic calcifications were highly predictive of future cardiovascular events, and developed prediction models to identify patients at high risk.
Using ultrasound and a minimally-invasive procedure, radiologists can identify and remove embedded foreign objects from patients with self-embedding behavior. Early detection and removal are key steps for effective therapy and recovery.
A study of triathletes found that their hearts become larger and stronger as a result of endurance and resistance training. This adaptation reflects the nature of triathlon training, which combines both forms of exercise.
Overutilization of medical imaging services exposes patients to unnecessary radiation and adds to healthcare costs. Radiologists recommend a national collaborative effort to develop evidence-based appropriateness criteria and implement practice guidelines to reduce overutilization.
A study using MRI and MR spectroscopy found that abdominal and liver fat are key predictors of successful weight loss in individuals at risk of developing type 2 diabetes. After a lifestyle intervention, participants with lower baseline levels of these fats experienced greater reductions in body weight and improved insulin sensitivity.
Two newer breast imaging technologies, BSGI and PEM, have been approved for clinical use despite higher cancer risks. The lifetime risk of radiation-induced cancer from BSGI and PEM exams are significantly higher than digital mammography, with estimated risks ranging from 20 to 30 times higher.
Researchers found that meniscal and cruciate ligament lesions increase the risk of developing specific types of knee osteoarthritis. Surgical therapy does not reduce this risk, according to a new study published in Radiology.
A study found that imaging-guided percutaneous needle biopsies increased by 67% between 1997 and 2008, while open biopsies decreased. The technique offers greater precision and lower complication rates, resulting in a modest growth rate of 3% overall.
Researchers developed a noninvasive combination technique that uses ultrasound-guided optical tomography to distinguish early-stage cancers from benign lesions in the breast. The study found that the technique was effective in identifying malignant lesions with high sensitivity and specificity, particularly in smaller lesions.
Researchers found that risk assessment analysis can identify patients without PE, allowing for reduced radiation exposure and cost savings. The study's results suggest that thromboembolic risk factor assessment can be an effective method to determine when to perform CT angiography for PE.
A study of 2.5 million screening mammograms found improved detection of breast cancer from non-cancerous lesions over nine years, with increased recall rates and sensitivity rates. The increase in cancer detection outweighed false-positive test results, leading to a positive net effect.
A study found that patients with positive CT exam results who exhibit inconsistent symptoms may have chronic or recurrent appendicitis and should undergo surgical treatment. The researchers reviewed medical records of 2,283 patients who underwent CT scans between 2002 and 2007.
Researchers used CASL MRI to compare cerebral blood flow in 11 non-medicated patients with schizophrenia and 25 healthy controls. The study revealed extensive areas of hypoperfusion in frontal lobes and higher cognitive function regions, while hyperperfusion was observed in cerebellum and brainstem.
A new rule at Massachusetts General Hospital has led to a significant decrease in unnecessary imaging exams for patients. The change encourages physicians to directly log into the system, reducing low-yield exams from 5.4% to 1.9%.
A new study found that chest x-rays can predict which H1N1 patients are likely to become sicker. Abnormal findings in the periphery of both lungs were associated with poor clinical outcomes. The study's findings suggest that chest x-rays may help clinicians better identify high-risk patients who require close monitoring.
A large-scale study of 10,000 adults found that virtual colonoscopy identifies more unsuspected cancers outside the colon than within it. The majority of these cancers were detected at an early stage and have positively affected survival.
A new study suggests that annual combined screening with both mammography and breast MRI can improve life expectancy in women with increased breast cancer risk. This approach detects early-stage cancers more effectively and provides the greatest relative mortality reduction.
A new study published in Radiology shows that an imaging exam using the latest generation of CT technology exposes patients to up to 91% less radiation than standard helical CT scanning. The new volume scanner can image the entire heart in one piece, eliminating artifacts and reducing radiation exposure.
A study found that preoperative computed tomography (CT) use among women of reproductive age coincided with a significant decrease in negative appendectomies. The increased utilization of CT and advances in technology led to improved diagnosis and reduced false-positive diagnoses, resulting in lower unnecessary surgeries.
A study found that only 51.6% of eligible women completed a screening MRI, with claustrophobia as the primary reason for nonparticipation. Alternative methods like ultrasound may be considered for high-risk women who cannot undergo MRI screening.
Two studies found targeted ultrasound effective in distinguishing between cancerous and benign masses in young women, reducing the need for biopsies and expensive diagnostic procedures. The procedure's low malignancy rates among women under 30 make it a safer alternative to surgery or needle biopsy.
A randomized study found that percutaneous disc decompression provides sustained pain relief up to two years, while conservative therapy only offers short-term benefits. Disc decompression involves deflating the bulging disc and relieving nerve root pressure, allowing for improved mobility and quality of life.
A clinical trial found annual ultrasound screening significantly improves early breast cancer detection in women with dense breasts, while MRI increases sensitivity but also false-positive findings. The study suggests annual ultrasound as a suitable alternative to expensive MRI for these women.
A retrospective study found that 52.1% of overweight adolescents had spine abnormalities, with most occurring within the discs. The study suggests a strong relationship between increased BMI in children and the incidence of lumbar disc disease.
A recent study found that MRI is highly accurate in detecting placenta accreta, a condition where the placenta attaches too deeply to the uterus. The condition can lead to severe bleeding and maternal death if not diagnosed early. With an accuracy rate of 90.1%, MRI has become a valuable tool in prenatal care.
Researchers used high-frequency ultrasound with elastography to identify skin cancer with high accuracy, distinguishing between malignant and benign lesions by measuring their elasticity. This non-invasive procedure can aid physicians in treatment and reduce the number of unnecessary biopsies of benign skin lesions.
A study found that patients with peripheral arterial disease (PAD) and no symptoms of heart disease are at high risk for cardiovascular events. Asymptomatic coronary artery disease was detected in 24% of PAD patients through non-invasive imaging, highlighting the need for extensive cardiovascular risk factor management.
A study using fMRI revealed that adults exposed to lead as children incur permanent brain injury, with distinct areas of the brain affected differently. Lead exposure has been associated with diminished IQ, poor academic performance, and increased risk of criminal behavior.
A recent study suggests that mammography screening in young women with genetic or familial predisposition to breast cancer may increase their breast cancer risk. The study found that repeated exposure to low-dose radiation increases breast cancer risk among these women, particularly those under age 20 or with five or more exposures.
A large proportion of patients undergoing abdominal/pelvic CT scans receive unindicated and unnecessary additional image acquisition, leading to excess radiation exposure. The mean excess radiation dose per patient from unnecessary scans was found to be 11.3 millisieverts.
Elastography improves ultrasound's specificity by measuring a lesion's compressibility and mechanical properties, accurately identifying cancerous lesions. The technique reduced unnecessary biopsies, correctly identifying 98% of malignant lesions and 82% of benign ones, according to the study.
A recent study found that despite the switch from pull-tabs to stay-tabs 30 years ago, beverage can stay-tabs still pose a potential danger to children and adolescents. The study identified 19 cases of inadvertent stay-tab ingestion at a single hospital over 16 years.
A study found that using smartphones with special software to view CT scans allowed radiologists to accurately diagnose acute appendicitis. The technique, which uses encrypted wireless networks and OsiriX Mobile software, showed promising results in a small sample of patients.
A study found that middle-aged men and women who engage in high levels of physical activity are at greater risk for developing knee abnormalities and osteoarthritis. High-impact activities like running and jumping carry a greater risk, while low-impact activities like swimming and cycling may protect against disease.
A recent study using fMRI found that men tend to process emotional stimuli in terms of required action, while women focus on the feelings engendered by these stimuli. Women showed stronger activation in the left thalamus when viewing negative images, indicating a stronger neural circuit for identification of emotional stimuli.
The Image Sharing Demonstration at RSNA 2009 showcases methods for sharing images, reports, and medical history to enhance patient care in radiology. The project aims to enable 'meaningful use' of electronic health records and improve interoperability between medical institutions.
Radiologists and medical physicists have implemented low-dose protocols and tracking systems to reduce cumulative ionizing radiation exposure. The Radiological Society of North America has launched initiatives to raise awareness of radiation risks and explore opportunities to improve patient safety through partnerships with the America...
Researchers have identified a new treatment option for patients with ruptured brain aneurysms using stent-assisted coil embolization, which was successful in 72% of cases. The procedure offers an alternative to surgical repair or balloon-assisted embolization, particularly for wide-necked aneurysms.
Researchers found that high levels of calcium in coronary arteries can predict severe cardiac events, including fatal heart attacks. The study suggests combining calcium scoring with other imaging tests can help identify patients at highest risk.
A recent study published in Radiology found that obesity is strongly associated with an increased risk of rapid cartilage loss in the knees. The study, which analyzed data from over 3,000 participants, identified baseline BMI as a key predictor of rapid cartilage loss.
A new study published in Radiology found that MRI can accurately diagnose deep endometriosis and locate lesions prior to surgery. The technique was effective in detecting the disease's extent and involvement of surrounding organs, such as the colon and bladder.
A new minimally invasive procedure has been shown to provide immediate symptom relief for patients with rotator cuff tendonitis. The treatment uses ultrasound-guided percutaneous therapy to break up calcium deposits and restore mobility. Results showed significant improvement in pain and mobility, even at long-term follow-up.
Using CT imaging, researchers have uncovered hidden details in the Nefertiti bust, including two subtly different faces and varying layers of stucco. The findings provide valuable information for conserving the statue, highlighting vulnerable areas that require careful handling to prevent damage.
A study published in Radiology found that patients who undergo numerous CT scans over their lifetime may be at increased risk for cancer due to cumulative radiation exposure. The study estimated lifetime attributable risk (LAR) of cancer for each patient, based on their CT exposures.