Canon touts wide-bore CT, AI for PET/CT at RSNA 2020
November 29, 2020 -- A new CT scanner with a wide 90-cm bore, new applications for artificial intelligence (AI)-based reconstruction of PET/CT, and cardiac spectral CT in a single heartbeat are among the highlights in the booth of Canon Medical Systems USA at this week's virtual RSNA 2020 show.  Discuss
fMRI reveals why big games create lasting memories
November 25, 2020 -- Functional MRI reveals how feelings of surprise that people experience -- for example, while tracking ball possession changes in a sports broadcast -- create shifts in brain patterns that are key to the formation of strong memories, according to a study published November 25 in the journal Neuron.  Discuss
MGH researchers develop portable MRI scanner
November 25, 2020 -- Researchers from Massachusetts General Hospital (MGH) in Boston have developed a compact, portable head-only MRI scanner that can be used in an ambulance, taken to hospital bedside, or installed in small clinics, according to a study published November 23 in Nature Biomedical Engineering.
MRI shows how anxiety speeds Alzheimer's progression
November 24, 2020 -- Brain MRI scans show that patients with anxiety progress more quickly from mild cognitive impairment to Alzheimer's disease, according to research to be presented at the upcoming virtual RSNA 2020 conference.  Discuss
Weight-loss surgery weakens teenagers' bones
November 24, 2020 -- MRI and CT exams illuminate the negative effect a common weight-loss surgery called sleeve gastrectomy has on teenagers' bones, according to research to be presented at the upcoming virtual RSNA 2020 conference.  Discuss
Multiple DWI-MRI metrics can cut breast biopsy rate
November 20, 2020 -- A new prospective trial published on November 17 in Radiology has identified multiple metrics on diffusion-weighted MRI (DWI-MRI) scans that can reduce the number of unnecessary breast biopsies while maintaining the excellent diagnostic performance of contrast-enhanced MRI.  Discuss
Diabetes, hypertension boost COVID-19 stroke risk
November 18, 2020 -- Patients with diabetes and/or hypertension are at higher risk of COVID-19 brain complications such as bleeding and stroke, according to research to be delivered at the virtual RSNA 2020 meeting. The findings further illustrate the far-reaching nature of COVID-19 disease.  Discuss
MRI links air pollution to dementia risk in women
November 18, 2020 -- MRI scans show that women in their 70s and 80s who are exposed to higher levels of air pollution appear to be at increased risk of developing the type of brain shrinkage associated with Alzheimer's disease, according to a study published November 18 in the journal Neurology.  Discuss
Brain MRI shows lead's effects decades later
November 17, 2020 -- MRI scans revealed structural brain changes in a group of middle-aged adults who were exposed to lead as children. The findings were part of a long-term study published on November 17 in JAMA.  Discuss
MRI shows negative impact of racket sports
November 17, 2020 -- Sports like tennis and racquetball speed the breakdown of the knee joint in overweight people with osteoarthritis, according to research to be presented at the upcoming virtual RSNA 2020 conference. Such individuals might want to switch sports to avoid knee injury, the authors suggest.  Discuss