BACKGROUND AND PURPOSE: Clinicians are insecure reading CT scans by using the
one-third rule for acute middle cerebral artery stroke (1/3 MCA rule) before treating patients with …

The presence of contrast enhancement in a brain tumor is often regarded as a sign of
malignancy. The authors identified 314 patients with malignant and low-grade supratentorial glial …

To determine whether cytotoxic brain edema is associated with a decrease in diffusion, it
was induced in rats, in the absence of ischemia, with an established model of acute …

MR imaging at very high field (3.0 T) is a significant new clinical tool in the modern
neuroradiological armamentarium. In this report, we summarize our 40-month experience in …

Purpose:We report the treatment and follow-up, including MRI, of two patients with idiopathic
hypertrophic pachymeningitis and review the English language literature, with emphasis on …

To characterize further the evolution of white matter lesions in neurofibromatosis type 1, we
reviewed 68 MR images in 43 patients (age, 1-31 years), including 25 follow-up studies (…

A 42-year-old woman had a change in the character of her migraine headaches. Her usual
pattern consisted of throbbing frontoparietal headaches that occurred at biweekly intervals for …

Recent advances in high-resolution MR imaging and multinuclear spectroscopy have
stimulated studies of the functional relationships between tissue hypoperfusion, cellular energy …

Background Stroke caused by spontaneous thrombosis of an unruptured intracranial aneurysm
is a rare event. Case Description A 66-year-old woman experienced a transient ischemic …

BACKGROUND AND PURPOSE: Three-dimensional time-of-flight (TOF) MR angiography is
used routinely in stroke workup to detect arterial occlusions, but a major drawback is its …