- head exclamation point

As more research suggests gadolinium-based contrast agents (GBCAs) may remain in the brain for years after a contrast MRI, an editorial in Radiology has called for radiologists to rethink the appropriate use and indications of these agents while more studies are conducted to assess the long-term clinical effect, if any, of lingering gadolinium retention.

 - money magnet

More than half of all Medicare Physician Fee Schedule (MPFS) payments for medical imaging services in the U.S. are made to nonradiologists, according to study results published in the May issue of the American Journal of Roentgenology.

 - male female MTBI comparison

Women with concussions, or mild traumatic brain injury (MTBI), may have more impairment in working memory processes than men with MTBI, according to a study published online April 28 in Radiology.

 - No radiation

The use of myocardial perfusion imaging (MPI) has spiked over the past four decades and along with it individual patient dose. A comprehensive effort to reduce that dose could reduce unnecessary procedures and reduce the risk of downstream cancers, according to a meta-analysis published in the April issue of the Journal of Nuclear Medicine.

 - brain road map

The specific class of gadolinium-based contrast agents (GBCAs) used in prior contrast-enhanced MRI is a determining factor in whether patients exhibit heightened signal intensity on unenhanced T1-weighted MR images, according to study results published online April 6 in the journal Radiology.