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Radiographics. 2003 Jan-Feb;23(1):e7.

Imaging tutorial: differential diagnosis of bright lesions on diffusion-weighted MR images.

Author information

1
Department of Radiology, Academisch Ziekenhuis AZ Vrije Universiteit, Laarbeeklaan 101, 1090 Brussels, Belgium. cradrew@az.vub.ac.be

Erratum in

  • Radiographics. 2003 May-Jun;23(3):686.

Abstract

High sensitivity (94%) and specificity (100%) have been reported in the diagnosis of acute cerebral infarction with diffusion-weighted magnetic resonance (MR) imaging. However, high signal intensity on diffusion-weighted MR images and low apparent diffusion coefficient values (similar to the findings in acute cerebral infarction) were reported in such diverse conditions as hemorrhage, abscess, lymphoma, and even Creutzfeldt-Jakob disease. The differential diagnosis of these conditions (eg, acute ischemic infarction and acute cerebral hemorrhage) is critical for the determination of appropriate treatment. The authors present a systematic review of bright lesions on diffusion-weighted MR images and their differential diagnosis, with emphasis on the practical and clinical approaches of differential diagnosis.

PMID:
12886888
DOI:
10.1148/rg.e7
[Indexed for MEDLINE]

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