Current Radiology News and Events

Current Radiology News and Events, Radiology News Articles.
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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)

Imaging agent developed at Washington University spotlights inflammation
Researchers at Washington University School of Medicine in St. Louis have created a new PET imaging agent that detects signs of inflammation. Such a tracer could aid diagnosis and study of diseases ranging from cardiovascular disease to cancer to COVID-19. (2020-09-14)

Artificial intelligence helps cut down on MRI no-shows
According to ARRS' American Journal of Roentgenology, artificial intelligence predictive analytics performed moderately well in solving complex multifactorial operational problems--outpatient MRI appointment no-shows, especially--using a modest amount of data and basic feature engineering. Such data may be readily retrievable from frontline information technology systems commonly used in most hospital radiology departments, and they can be readily incorporated into routine workflow practice to improve the efficiency and quality of health care delivery. (2020-09-10)

LSU Health New Orleans radiologists find chest X-rays highly predictive of COVID-19
A team of LSU Health New Orleans radiologists investigated the usefulness of chest x-rays in COVID-19 and found they could aid in a rapid diagnosis of the disease, especially in areas with limited testing capacity or delayed test results. (2020-09-03)

Radiology research funding has increased -- still no association with citation rate
According to ARRS' AJR, almost half of the research articles published in AJR, Radiology, and European Radiology declared funding -- a proportion that has increased from 17% of articles in 1994 and 26.9% published between 2001 and 2010. Most funded articles received support from federal sponsors or nonprofit foundations, whereas only a minority of funded articles were supported by private industry. Ultimately, adjusted linear regression analysis determined funding was not significantly associated with citation rate. (2020-09-03)

Scientists show how brain flexibility emerges in infants
Cognitive flexibility, which refers to the brain's ability to switch between mental processes in response to external stimuli and different task demands, seems to begin developing during the first two years of life, which is much earlier than previously thought. UNC BRIC researchers led by Weili Lin, PhD, used magnetic resonance imaging techniques to show the emergence of a functional flexible brain during early infancy. (2020-08-31)

Electronic consultations between primary providers and radiologists improve patient care
According to ARRS' American Journal of Roentgenology (AJR), the eConsult electronic consultation system allowed primary care providers to easily consult with radiologists, was perceived as high value by primary care providers, resulted in altered patient management, and avoided unnecessary imaging tests. ''We identified follow-up imaging of cystic lesions and imaging workup of pain in patients as opportunities for continuing medical education for primary care providers,'' the AJR authors wrote. (2020-08-19)

New study identifies better treatment option for common complication of dialysis
Use of drug-coated balloon angioplasty to treat blocked blood vessels used for hemodialysis offers hope for millions of patients globally (2020-08-19)

Radiology reveals alarming rise in intimate partner violence during COVID-19 pandemic
Investigators assessed the incidence, pattern and severity of injuries related to Intimate Partner Violence in patients at the Brigham during the COVID-19 pandemic. When they compared IPV injuries from the spring of 2020 to injuries over the previous three years, they found an alarming increase in physical injuries associated with IPV. (2020-08-13)

New study shows increase in domestic violence injuries during COVID-19
There was a higher incidence and severity of physical intimate partner violence (IPV) among patients seen at a large, academic medical center in the US during the COVID-19 pandemic compared with the prior three years, according to a new study. (2020-08-13)

Unread second-opinion radiology reports waste health care resources
According to ARRS' American Journal of Roentgenology (AJR), 537 of 4,696 second-opinion reports--11.4%, likely underestimated, too--were not read by a clinician. The imaging modality with the highest rate of not being read was sonography (62.5%), the requesting specialty with the highest rate was pediatrics (33.8%), and the radiologic subspecialty with the highest rate was interventional radiology (52.2%). (2020-08-13)

LSU Health study suggests snap diagnoses may be more accurate
A pilot study conducted by a team of LSU Health New Orleans School of Medicine faculty has found that Snapchat is an effective tool to teach residents emergency radiology. (2020-08-03)

New machine learning method allows hospitals to share patient data -- privately
Penn Medicine researchers have shown that an approach called federated learning is successful in the context of brain imaging, by being able to analyze magnetic resonance imaging (MRI) scans of brain tumor patients and distinguish healthy brain tissue from cancerous regions. (2020-07-28)

Radiology practices struggle to survive amid COVID-19
Private radiology practices have been especially hard hit by the COVID-19 pandemic, and the steps they take to mitigate the impact of the pandemic on their practice will shape the future of radiology, according to a special report from the Radiological Society of North America (RSNA) COVID-19 Task Force. (2020-07-17)

Chest x-rays show more severe COVID-19 in non-white patients
Racial/ethnic minority patients admitted to the hospital with COVID-19 infection are more likely to have more severe disease on chest X-rays than white/non-Hispanic patients, increasing the likelihood of adverse outcomes, such as intubation or death, according to a new study. (2020-07-16)

Dangerous blood clots form in leg arteries of COVID-19 patients
COVID-19 is associated with life-threatening blood clots in the arteries of the legs, according to a new study. Researchers said COVID-19 patients with symptoms of inadequate blood supply to the lower extremities tend to have larger clots and a significantly higher rate of amputation and death than uninfected people with the same condition. (2020-07-16)

Cardiac CT can double as osteoporosis test
Cardiac CT exams performed to assess heart health also provide an effective way to screen for osteoporosis, potentially speeding treatment to the previously undiagnosed, according to a new study. (2020-07-14)

New PET/MRI approach pinpoints chronic pain location, alters management
A new molecular imaging approach utilizing 18F-FDG positron emission tomography (PET) and magnetic resonance imaging (MRI) can precisely identify the location of pain generators in chronic pain sufferers, often precipitating a new management plan for patients. This research was presented at the Society of Nuclear Medicine and Molecular Imaging 2020 Annual Meeting. (2020-07-13)

Whole body scans for trauma patients saves time spent in emergency departments
A new study by a University of South Australia medical imaging student may have found the solution to easing hospital ramping and crowded emergency departments. (2020-07-12)

Total-body PET/CT captures full picture of systemic inflammatory arthritis
For the first time, physicians can examine the systemic burden of inflammatory arthritis simultaneously across all joints and organ systems, using the high-sensitivity, high-resolution uEXPLORER total-body positron emission tomography/computed tomography (TB-PET/CT) scanner. Results of the first in-human TB-PET/CT scans conducted in the arthritic population were presented at the Society of Nuclear Medicine and Molecular Imaging 2020 Virtual Annual Meeting. (2020-07-11)

Age-related features of facial anatomy for increase safety during plastic surgery
Researchers from the Center for Diagnostics and Telemedicine together with colleagues from Mayo Clinic College of Medicine and Science, University of Munich and Sechenov University used computed tomography to analyze the individual anatomy of the nasolabial triangle. They identified possible options for the distribution of blood vessels on three-dimensional course. (2020-07-10)

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