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Intravoxel incoherent motion diffusion‐weighted imaging analysis of diffusion and microperfusion in grading gliomas and comparison with arterial spin labeling for evaluation of tumor perfusion

Intravoxel incoherent motion diffusion‐weighted imaging analysis of diffusion and microperfusion... ORIGINAL RESEARCH Intravoxel Incoherent Motion Diffusion- Weighted Imaging Analysis of Diffusion and Microperfusion in Grading Gliomas and Comparison With Arterial Spin Labeling for Evaluation of Tumor Perfusion Nanxi Shen, MD, Lingyun Zhao, MD, Jingjing Jiang, PhD, Rifeng Jiang, PhD, Changliang Su, PhD, Shun Zhang, MD, Xiangyu Tang, PhD, and Wenzhen Zhu, MD, PhD* Purpose: To determine the utility of intravoxel incoherent motion (IVIM) imaging in grading gliomas and compare IVIM perfusion metrics with arterial spin labeling (ASL)-derived cerebral blood flow (CBF). Materials and Methods: Fifty-two patients with pathologically confirmed gliomas underwent IVIM and ASL imaging at 3.0T. IVIM perfusion-related diffusivity (D*), perfusion fraction (f), product of f and D*(f3D*), true diffusivity (D), and apparent diffusion coefficient (ADC) were obtained to distinguish glioma grades. The CBF derived from pseudocontinu- ous ASL within the solid tumor was compared and correlated with IVIM perfusion metrics for grading of gliomas. Values were also normalized to the contralateral normal-appearing white matter. Receiver-operating characteristic was per- formed to determine diagnostic efficiency. The reliability was estimated with intraclass coefficient, coefficient of var- iance, and Bland–Altman plots. Results: IVIM perfusion metrics and CBF were significantly higher in the high-grade than the low-grade gliomas (P < 0.001), ADC http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Magnetic Resonance Imaging Wiley

Intravoxel incoherent motion diffusion‐weighted imaging analysis of diffusion and microperfusion in grading gliomas and comparison with arterial spin labeling for evaluation of tumor perfusion

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References (43)

Publisher
Wiley
Copyright
© 2016 Wiley Periodicals, Inc.
ISSN
1053-1807
eISSN
1522-2586
DOI
10.1002/jmri.25191
pmid
26880230
Publisher site
See Article on Publisher Site

Abstract

ORIGINAL RESEARCH Intravoxel Incoherent Motion Diffusion- Weighted Imaging Analysis of Diffusion and Microperfusion in Grading Gliomas and Comparison With Arterial Spin Labeling for Evaluation of Tumor Perfusion Nanxi Shen, MD, Lingyun Zhao, MD, Jingjing Jiang, PhD, Rifeng Jiang, PhD, Changliang Su, PhD, Shun Zhang, MD, Xiangyu Tang, PhD, and Wenzhen Zhu, MD, PhD* Purpose: To determine the utility of intravoxel incoherent motion (IVIM) imaging in grading gliomas and compare IVIM perfusion metrics with arterial spin labeling (ASL)-derived cerebral blood flow (CBF). Materials and Methods: Fifty-two patients with pathologically confirmed gliomas underwent IVIM and ASL imaging at 3.0T. IVIM perfusion-related diffusivity (D*), perfusion fraction (f), product of f and D*(f3D*), true diffusivity (D), and apparent diffusion coefficient (ADC) were obtained to distinguish glioma grades. The CBF derived from pseudocontinu- ous ASL within the solid tumor was compared and correlated with IVIM perfusion metrics for grading of gliomas. Values were also normalized to the contralateral normal-appearing white matter. Receiver-operating characteristic was per- formed to determine diagnostic efficiency. The reliability was estimated with intraclass coefficient, coefficient of var- iance, and Bland–Altman plots. Results: IVIM perfusion metrics and CBF were significantly higher in the high-grade than the low-grade gliomas (P < 0.001), ADC

Journal

Journal of Magnetic Resonance ImagingWiley

Published: Sep 1, 2016

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