Magnetization transfer, a new technique for improving image contrast in magnetic resonance
(MR) imaging, is based on application of off-resonance radio-frequency pulses and …

Burnout in US radiology has reached crisis proportions. Leaders play critical roles in both
causing and preventing burnout. This article will review the current state of the crisis and how …

With over 43 000 cases in Canada, and> 2200 deaths, and throughout the world,> 2.7
million cases and 200 000 deaths at the time of writing, there is little doubt that the SARS-CoV-2 …

Background and Purpose The North American Symptomatic Carotid Endarterectomy Trial (NASCET)
demonstrated the benefit of carotid endarterectomy for symptomatic patients with ≥…

PURPOSE: To assess for the presence of microscopic abnormalities in otherwise normal-appearing
white matter on T2-weighted images in patients with multiple sclerosis (MS) by …

… FJ Lexa and RI Grossman … Address reprint requests to Frank J Lexa, MD, Neuroradiology
Section, Department of Radiology, Hospital of the University of Pennsylvania, 34th and Spruce …

… Dr Lexa is currently the Chief Medical Officer of the Radiology Leadership Institute of the
ACR and is the Chair of the … Mr Lexa is a nonpartner, non–partnership track employee. …

Accountable care organizations have received considerable attention as a component of
health care reform and have been specifically addressed in recent national legislation and …

PURPOSE To examine the utility of measuring magnetization transfer ratio for for delineating
the dynamic changes of wallerian degeneration which occur after controlled injury in a …

Purpose: The Asymptomatic Carotid Atherosclerosis Study, demonstrating the benefit of
carotid endarterectomy for symptom-free patients with 60% or greater carotid artery stenosis, …