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Differentiation of recent and old cerebral infarcts by diffusion-weighted MRI

  • DIAGNOSTIC NEURORADIOLOGY
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Abstract

We performed MRI, including diffusion-weighted imaging, in 15 patients with recurrent strokes with acute ischaemia and at least one old lesion according to the clinical history and/or CT. Routine MRI showed similar signal intensity changes in both situations. Diffusion-weighted images, however, were positive in all acute or subacute infarcts. The high signal of acutely disturbed diffusion due to intracellular oedema could also be identified in small brain stem lesions. Spatial resolution was increased by applying separate gradients in each axis instead of creating anisotropy-independent trace images.

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Authors and Affiliations

  1. Department of Neuroradiology, University Hospital, Langenbeckstrasse 1, D-55101 Mainz, Germany, , , , , , DE

    C. Fitzek, J. Tintera, W. Müller-Forell & P. Stoeter

  2. Clinic of Neurology, University Hospital, Langenbeckstrasse 1, D-55101 Mainz, Germany, , , , , , DE

    P. Urban, F. Thömke, S. Fitzek & H. C. Hopf

Authors
  1. C. Fitzek
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  2. J. Tintera
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  3. W. Müller-Forell
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  4. P. Urban
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  5. F. Thömke
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  6. S. Fitzek
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  7. H. C. Hopf
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  8. P. Stoeter
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Received: 17 September 1997 Accepted: 6 April 1998

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Fitzek, C., Tintera, J., Müller-Forell, W. et al. Differentiation of recent and old cerebral infarcts by diffusion-weighted MRI. Neuroradiology 40, 778–782 (1998). https://doi.org/10.1007/s002340050683

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  • DOI: https://doi.org/10.1007/s002340050683

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