fMRI gauges procedure to reduce PTSD pain
February 14, 2019 -- Could vagus nerve stimulation help ease pain from post-traumatic stress disorder (PTSD)? Functional MRI (fMRI) scans provided an affirmative answer by showing reduced activity in brain regions linked to pain processing in a study published online February 13 in PLOS One.  Discuss
Gadolinium in gliomas, adjacent tissue raises questions
February 12, 2019 -- Researchers have discovered the presence of gadolinium from MRI contrast in gliomas, as well as neighboring normal brain tissue and necrosis. The findings are contributing to the body of knowledge regarding the retention of trace elements from gadolinium-based contrast agents (GBCAs), according to a study published online February 2 in Neuroradiology.  Discuss
Underutilized cardiac MRI stress test predicts mortality
February 8, 2019 -- A stress test with cardiac MRI can do more than simply assess heart function. The modality's findings can also predict which patients are most likely to have a fatal outcome within five years, according to a study published online February 8 in JAMA Cardiology.  Discuss
AI singles out high-risk prostate cancer on mpMRI
February 8, 2019 -- Working with radiomics data on multiparametric MRI (mpMRI) scans, an artificial intelligence (AI) algorithm was able to distinguish between low-risk and high-risk prostate cancer more accurately than the current risk assessment approach used by radiologists, according to research published online February 7 in Scientific Reports.  Discuss
Advanced imaging offers insight into targeted therapies
February 6, 2019 -- Major breakthroughs are emerging in the development of targeted therapies that use the body's own immune system to attack cancer cells. But traditional methods of measuring the success of drug candidates are slow and expensive. Could advanced imaging help? Diana Roettger, PhD, and Olga Kubassova, PhD, of the Image Analysis Group offer a perspective.  Discuss
AI can predict breast cancer molecular subtypes on MRI
February 6, 2019 -- Can an artificial intelligence (AI) algorithm identify the molecular subtype of breast cancer from breast MRI as accurately as genetic testing? Not yet, but a deep-learning model offers considerable potential, according to research published online January 31 in the Journal of Digital Imaging.  Discuss
Row erupts in Canada over radiologists' role in healthcare
February 1, 2019 -- A dispute has erupted in Ontario over the role that radiologists and other medical specialists play in the healthcare system of the Canadian province. The debate was sparked by an article claiming that radiologists have benefited from a "technology windfall" in spending on medical technology that has been funded by taxpayers.  Discuss
MRI shows surprisingly high blood flow in those with autism
February 1, 2019 -- MRI and MR spectroscopy of cerebral blood flow in people with autism spectrum disorder are offering new insights into how the brain appears to compensate for the disruption of communication between cells. Study results were published online recently in Biological Psychiatry.  Discuss
fMRI helps finds brain biomarkers linked to severe PTSD
January 29, 2019 -- Using functional MRI (fMRI) and measurements of skin conductance, researchers have found that combat veterans with severe post-traumatic stress disorder (PTSD) have distinct patterns in how their brains and bodies respond to danger and safety. These brain biomarkers could help identify those at risk of severe PTSD.  Discuss
MRI adds to evidence of brain changes in astronauts
January 28, 2019 -- Astronauts should take heed of how time in space could affect the brain. Diffusion-tensor MR images have revealed brain changes in astronauts based on how long they were in space, according to a study published online January 23 in JAMA Neurology.  Discuss