Phil GalewitzRegulatoryTrump administration hits brakes on law to curb unneeded Medicare CT scans, MRIsThe U.S. Congress passed a law in 2014 to reduce unnecessary MRI exams, CT scans, and other expensive diagnostic imaging tests, but the Trump administration delayed putting the law into effect until 2020 after physicians argued it would interfere with their practices. Critics worry the delay comes at a cost: Medicare paying for millions of unnecessary exams and patients subject to unnecessary radiation.August 18, 2019EconomicsWalmart charts new course by steering workers to high-quality imaging centersWalmart, the nation's largest private employer, is worried that too many of its workers are having health conditions misdiagnosed, leading to unnecessary surgery and wasted health spending.May 15, 2019Page 1 of 1Top StoriesISMRM 2025ISMRM: MR spectroscopy captures neurochemistry changes after football hitsCholine has emerged as the key metric of injury in a traumatic brain injury study.ISMRM 2025ISMRM: 4D MRI reveals heart impairments in patients with COPDISMRM 2025ISMRM: Synthetic MRI feasible for breast cancer screeningISMRM 2025Video from ISMRM: Shintaro Ichikawa on MRI liver biomarkersISMRM 2025ISMRM/ISMRT: 6 tips for making MR imaging more sustainable
![Regions of interest depicted in colors: cerebrospinal fluid (blue), cortical gray matter (dark green), and white matter (yellow). Scatter plots present significant correlations between (b) [semi-solid spin pool size, or ms0m0s] entropy and age in cerebrospinal fluid and cortical gray matter, and (c) [longitudinal relaxation rates, or Rf1R1f] entropy and age in cortical gray matter and white matter (p < 0.05). Images, graphics, and caption courtesy of Sohae Chung, PhD, and the ISMRM.](https://img.auntminnie.com/mindful/smg/workspaces/default/uploads/2025/05/2025-05-09-novel-mri-technique-image.tmqDtL6pTg.png?auto=format%2Ccompress&dpr=2&fit=crop&h=167&q=70&w=250)
