diffusion-weighted imaging


Also found in: Acronyms.

diffusion-weighted imaging

Imaging A type of MRI that provides metabolic and hemodynamic information of the brain shortly after a stroke. See Magnetic resonance imaging. Cf Perfusion-weighted imaging.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Diffusion-weighted imaging of placenta in intrauterine growth restriction with worsening Doppler US findings.
Diffusion-Weighted Imaging in Meningioma: Prediction of Tumor Grade and Association with Histopathological Parameters.
Multiparametric approach with diffusion-weighted imaging and dynamic contrast-enhanced MRI: a comparison study for differentiating between benign and malignant bone lesions in adults.
Diffusion-weighted imaging of the liver: usefulness of ADC values in the differential diagnosis of focal lesions and effect of ROI methods on ADC measurements.
Clinically confirmed stroke with negative diffusion-weighted imaging magnetic resonance imaging: Longitudinal study of clinical outcomes, stroke recurrence, and systematic review.
Axial T2-weighted imaging (a), diffusion-weighted imaging (b=2000 [mm.sup.2]/s) (b), ADC map (c), and signal intensity/time curve derived from dynamic-enhanced images (d) show a capsule-contained left peripheral T2 hypointense lesion (a), which is hyperintense on diffusion-weighted imaging (b).
Diffusion-weighted imaging of the liver: optimizing b value for the detection and characterization of benign and malignant hepatic lesions.
A meta-analysis on the diagnostic performance of non-echoplanar diffusion-weighted imaging in detecting middle ear cholesteatoma: 10 years on.
Diffusion-weighted imaging should be added to cranial imaging in patients with a pre-diagnosis of CJD because it has high specificity and sensitivity (2).
Diffusion-weighted imaging (DWI) utilizes diffusion signal attenuated due to the random microscopic motion of water molecules influenced by cell density, membrane integrity, tissue microstructure, perfusion and diffusion heterogeneity within the tissue (1).
Law Brain tumors: a multimodality approach with diffusion-weighted imaging, diffusion tensor imaging, magnetic resonance spectroscopy, dynamic susceptibility contrast and dynamic contrast-enhanced magnetic resonance imaging.
Rocky Mountain spotted fever: 'starry sky' appearance with diffusion-weighted imaging in a child.

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