headlight effect

A hyperintense bright region seen in brains of patients with early strokes when examined by diffusion-weighted imaging—a type of MRI—which corresponds to slowed movement of water through intra- and extracellular compartments
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

headlight effect

Flashbulb effect Imaging A hyperintense bright region seen in brains of Pts with early strokes when examined by diffusion-weighted imaging–a type of MRI, which corresponds to slowed movement of water through intra- and extracellular compartments. See Diffusion-weighted imaging, Magnetic resonance imaging, Stroke.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.