Perfusion-weighted magnetic resonance imaging in patients with carotid artery disease before and after carotid endarterectomy Arnd Doerfler, MDa, Hans.

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Perfusion-weighted magnetic resonance imaging in patients with carotid artery disease before and after carotid endarterectomy Arnd Doerfler, MDa, Hans H. Eckstein, MDb, Michael Eichbaum, MDb, Sabine Heiland, PhDc, Thomas Benner, PhDc, Jens R. Allenberg, MDb, Michael Forsting, MDa Journal of Vascular Surgery Volume 34, Issue 4, Pages 587-593 (October 2001) DOI: 10.1067/mva.2001.118588 Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 1 CBV in the different ROIs according to the degree of ICA stenosis. A, <80% stenosis (n = 10). B, ≥80% stenosis (n = 16). Journal of Vascular Surgery 2001 34, 587-593DOI: (10.1067/mva.2001.118588) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 2 NFM in the different ROIs according to the degree of ICA stenosis. A, <80% stenosis (n = 10). B, ≥80% stenosis (n = 16). Journal of Vascular Surgery 2001 34, 587-593DOI: (10.1067/mva.2001.118588) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 3 Sixty-eight-year-old woman with >90% stenosis of the right ICA. The CBV map (left ) reveals slightly increased regional blood volume. However, for this patient, the whole extent of the tissue influenced by the stenosis can be seen on the parameter map of NFM, which reveals an extensive increase compared with the contralateral normal hemisphere (right , yellow and red region). Journal of Vascular Surgery 2001 34, 587-593DOI: (10.1067/mva.2001.118588) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 4 CBV (A ) and NFM (B ) measured by perfusion-weighted MRI postoperatively 3 months after carotid endarterectomy (n = 13). Journal of Vascular Surgery 2001 34, 587-593DOI: (10.1067/mva.2001.118588) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions