Current Radiology News and Events

Current Radiology News and Events, Radiology News Articles.
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Machine learning method identifies precancerous colon polyps
A machine learning algorithm helps accurately differentiate benign and premalignant colorectal polyps on CT colonography scans, according to a new study. (2021-02-23)

Radiological images confirm 'COVID-19 can cause the body to attack itself'
Muscle soreness and achy joints are common symptoms among COVID-19 patients. But for some people, symptoms are more severe, long lasting and even bizarre, including rheumatoid arthritis flares, autoimmune myositis or 'COVID toes.' A new Northwestern Medicine study has, for the first time, confirmed and illustrated the causes of these symptoms through radiological imaging. (2021-02-17)

Radiomics shows cocaine fuels coronary artery disease risk
Radiomics--the extraction of very detailed quantitative features from medical images--provides a refined understanding of how cocaine use and other risk factors affect the course of coronary artery disease, according to a new study. Researchers said the study shows the power of radiomics to improve understanding of not just cardiovascular disease, but cancer and other conditions as well. (2021-02-16)

COVID-19 linked to potentially dangerous eye abnormalities
Researchers using MRI have found significant abnormalities in the eyes of some people with severe COVID-19, according to a new study. The study results support the need for eye screening in these patients to provide appropriate treatment and management of potentially severe ophthalmological manifestations of COVID-19. (2021-02-16)

Breast cancer death rates stop declining in younger women
Breast cancer death rates have stopped declining for women in the U.S. younger than age 40, ending a trend that existed from 1987 to 2010, according to a new study. Researchers expressed hope that the findings would raise awareness of breast cancer in younger women and spur research into the causes behind the change. (2021-02-09)

Imaging identifies breast cancer patients unlikely to benefit from hormone therapy
Hormone therapy can be very effective for so-called estrogen receptor-positive breast cancer. But it only works for a little more than half of women who receive the treatment. In a small study, researchers at Washington University School of Medicine in St. Louis found that women whose tumors did not respond to a one-day estrogen challenge did not benefit from hormone therapy. The findings could help doctors choose treatments most likely to help their patients. (2021-02-02)

Ultrasound technique treats prostate cancer with minimal side effects
A technique that delivers high-intensity focused ultrasound to targeted tissue under MRI guidance effectively treats intermediate-risk prostate cancer with minimal side effects, according to a new study. (2021-02-02)

A microscopic look at aneurysm repair
Research from the University of Pittsburgh and the Mayo Clinic, published in Experimental Mechanics, is the first to show that there are two phases of wall restructuring after an aneurysm forms, the first beginning right away to reinforce the weakened points. (2021-01-25)

Impact of patient-reported symptom information on lumbar spine MRI Interpretation
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), in lumbar spine MRI, presumptive pain generators diagnosed using symptom information from brief electronic questionnaires showed almost perfect agreement with pain generators diagnosed using symptom information from direct patient interviews. (2021-01-25)

CT identifies patients with high-risk nonalcoholic fatty liver disease (NAFLD)
According to ARRS' American Journal of Roentgenology, Fibrosis-4 and multiple CT findings can identify patients with high-risk nonalcoholic fatty liver disease--advanced fibrosis or cirrhosis, that is--though the presence of nonalcoholic steatohepatitis remains elusive on CT. (2021-01-22)

New suspicious lesions on breast MRI in neoadjuvant therapy
According to ARRS' American Journal of Roentgenology (AJR), new suspicious findings occurred in 5.5% of breast MRI examinations performed to monitor response to neoadjuvant therapy; none of these new lesions were malignant. (2021-01-14)

Noted experts challenge conventional wisdom within the field of radiology
A special issue of the Journal of the American College of Radiology (JACR), published by Elsevier, challenges conventional wisdom across the imaging community. This collection of articles, the ''Provocative Issue,'' presents extreme opinions on pressing issues confronting radiologists with the deliberate aim of sparking positive dialog and debate that will lead to innovative solutions to improve patient care and imaging-related outcomes. (2021-01-12)

Gene therapy strategy found effective in mouse model of hereditary disease TSC
Patients with a genetic disorder called tuberous sclerosis complex have noncancerous tumors growing in numerous organs, and their treatment options are limited. A gene therapy strategy effectively treated mice that express one of the mutated genes that cause the disease. (2021-01-08)

'Virtual biopsies' could replace tissue biopsies in future thanks to new technique
A new advanced computing technique using routine medical scans to enable doctors to take fewer, more accurate tumour biopsies, has been developed by cancer researchers at the University of Cambridge. This is an important step towards precision tissue sampling for cancer patients to help select the best treatment. In future the technique could even replace clinical biopsies with 'virtual biopsies', sparing patients invasive procedures. (2021-01-06)

Imaging of ballistic wounds, bullet composition and implications for MRI safety
According to an article in ARRS' American Journal of Roentgenology (AJR), because patients with ballistic embedded fragments are frequently denied MRI (due to indeterminate bullet composition sans shell casings), radiography and CT can be used to identify nonferromagnetic projectiles that are safe for MRI. (2020-12-29)

Interventional radiology associated with an increased risk for preventable adverse events
In a review article in the journal Radiology, researchers from Boston University School of Medicine (BUSM), suggest there is a critical need to renew understanding of adverse events and complications within interventional radiology. They also call for a robust recommitment to patient safety and quality assurance in clinical practice, continuing medical education and graduate medical education. (2020-12-17)

A first-in-human clinical trial shows microbubbles augments radiation in liver cancer patients
Bursting gas-filled microbubbles using ultrasound waves sensitizes tumors to targeted radiation, reducing tumor growth and improving overall survival after treatment. (2020-12-15)

Novel MRI contrast agent sidesteps toxic effects of current products
Researchers are developing an alternative MRI contrast agent based on manganese, an essential element in human nutrition, that is easily processed and eliminated by the body. Manganese has magnetic properties similar to those of gadolinium, but without gadolinium's toxicity. (2020-12-15)

Digital breast tomosynthesis improves invasive cancer detection
Breast cancer screening with digital breast tomosynthesis (DBT) offers significant advantages over digital mammography, including improved cancer detection and lower false negative rates, according to a new study. (2020-12-04)

Post-COVID pain or weakness? Request an ultrasound or MRI
A new Northwestern Medicine study shows how advanced imaging technology can pinpoint what may have caused patients' nerve damage and help determine the best course of treatment. (2020-12-01)

Popular weight-loss surgery in teenagers weakens bones
A common weight loss surgery for adolescents with obesity called sleeve gastrectomy has harmful effects on bones, according to a study being presented at the annual meeting of the Radiological Society of North America (RSNA). (2020-11-24)

Researchers create 3D-printed nasal swab for COVID-19 testing
In response to the critical shortage of nasopharyngeal (NP) swabs early in the COVID-19 pandemic, the Department of Radiology at University of South Florida (USF) Health in Tampa set out to design, validate and create NP swabs using a point-of-care 3D printer. Results of the first clinical trial of 3D-printed NP swabs for COVID-19 testing are being presented at the annual meeting of the Radiological Society of North America (RSNA). (2020-11-23)

Early details of brain damage in COVID-19 patients
Looking at six patients using a specialized magnetic resonance technique, researchers at Massachusetts General Hospital found that COVID-19 patients with neurological symptoms show some of the same metabolic disturbances in the brain as other patients who have suffered oxygen deprivation from other causes, but there are also notable differences. (2020-11-18)

Tomosynthesis with synthetic mammography improves breast cancer detection
Digital breast tomosynthesis (DBT), in combination with synthetic mammography, improves cancer detection over digital mammography alone, according to a new study. The study results add further support to the use of DBT in population-based breast cancer screening programs. (2020-11-10)

AI tool improves breast cancer detection on mammography
Artificial intelligence (AI) can enhance the performance of radiologists in reading breast cancer screening mammograms, according to a new study. (2020-11-04)

Data science pathway prepares radiology residents for machine learning
A recently developed data science pathway for fourth-year radiology residents will help prepare the next generation of radiologists to lead the way into the era of artificial intelligence and machine learning (AI-ML), according to a special report. (2020-11-04)

Review finds almost 20% of COVID-19 patients only show gastrointestinal symptoms
Almost one in five patients with COVID-19 may only show gastrointestinal symptoms, according to a review of academic studies published in the journal Abdominal Radiology. The findings of the review suggest abdominal radiologists need to remain vigilant during the pandemic while imaging patients. (2020-11-03)

AI helps detect brain aneurysms on CT angiography
A powerful type of artificial intelligence known as deep learning can help physicians detect potentially life-threatening cerebral aneurysms on CT angiography, according to a new study. (2020-11-03)

Children with asymptomatic brain bleeds as newborns show normal brain development at age 2
A study by UNC researchers finds that neurodevelopmental scores and gray matter volumes at age two years did not differ between children who had MRI-confirmed asymptomatic subdural hemorrhages when they were neonates, compared to children with no history of subdural hemorrhage. (2020-10-30)

Cardiac MRI contrast agents carry low risk of adverse events
Contrast agents used to improve views of the heart on MRI carry a very low risk of allergic reactions, vomiting and other acute adverse events, according to a large new study. The findings come three years after the European Union enacted new regulations on the contrast agents. (2020-10-29)

'Fast' MRI detects breast cancers that 3-D mammograms may miss
In a retrospective study of asymptomatic patients, all of whom had a negative 3-D mammogram within the previous 11 months, abbreviated MRI detected roughly 27 cancers per 1,000 women screened. (2020-10-27)

Tracer molecule may improve imaging tests for brain injury
Researchers have validated a new radiolabeled molecule that can be used with imaging tests to accurately detect and characterize brain injury. (2020-10-22)

Spectral CT improves detection of early-stage coronavirus disease (COVID-19)
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), the use of spectral CT with electron density imaging could improve the assessment of lung lesion extent in patients with early-stage coronavirus disease (COVID-19). (2020-10-21)

More research needed to determine safety of hip and knee steroid injections
Although frequently used to treat painful osteoarthritis of the hip and knee, intra-articular corticosteroid (IACS) injections remain controversial. Questions about whether damage to joints occurs as a result of these injections, which are performed thousands a time each day, persist. (2020-10-20)

Pulmonary artery thrombosis a complication of radiation therapy
According to ARRS' American Journal of Roentgenology, the imaging findings of in situ pulmonary artery thrombosis (PAT) associated with radiation therapy (RT) are different from those of acute pulmonary emboli and do not appear to embolize. Due to the differences in clinical prognosis and subsequent management strategies, in situ PAT associated with RT -- which has not previously been described in the English literature -- must be distinguished from pulmonary embolism. (2020-10-09)

AI can detect COVID-19 in the lungs like a virtual physician, new study shows
A University of Central Florida researcher is part of a new study showing that artificial intelligence can be nearly as accurate as a physician in diagnosing COVID-19 in the lungs. The study, recently published in Nature Communications, shows the new technique can also overcome some of the challenges of current testing. (2020-09-30)

Deep learning model provides rapid detection of stroke-causing blockages
A sophisticated type of artificial intelligence (AI) called deep learning can help rapidly detect blockages in the arteries that supply blood to the head, potentially speeding the onset of life-saving treatment, according to a study. (2020-09-29)

3D printed nasal swabs work as well as commercial swabs for COVID-19 diagnostic testing
A multisite clinical trial led by the University of South Florida Health (USF Health) Morsani College of Medicine and its primary hospital affiliate Tampa General Hospital (TGH) provides the first evidence that 3D-printed alternative nasal swabs work as well for COVID-19 diagnostic testing as commercial synthetic flocked nasal swabs. Given the ongoing need for widespread COVID-19 testing, the researchers conclude that 3D printing technology offers a viable, cost-efficient option to address swab supply shortages. (2020-09-25)

Hypercoagulability in patients with coronavirus disease (COVID-19)
In this AJR article, 82 patients with COVID-19 who underwent abdominal ultrasound or CT were retrospectively compared with 82 patients without COVID-19 for thromboembolism and solid-organ infarction. Nine (11%) patients with COVID-19 had thromboembolic findings, with medium to large arterial thrombi in five. One patient without COVID-19 had known portal vein thrombus on CT. Thromboembolic findings occurred more frequently in patients with than without COVID-19 (p = 0.02). (2020-09-24)

Minimally invasive ultrasound-guided carpal tunnel release improves long-term outcomes
According to ARRS' American Journal of Roentgenology (AJR), ultrasound-guided carpal tunnel release quickly improves hand function and reduces hand discomfort; improvement persisted beyond one year. Thus, ultrasound-guided carpal tunnel release may be a safe, effective, and less invasive alternative to traditional surgery. (2020-09-16)

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