Agreement and Reproducibility of Apparent Diffusion Coefficient Measurements of Dual-b-Value and Multi-b-Value Diffusion-Weighted Magnetic Resonance Imaging at 1.5 Tesla in Phantom and in Soft Tissues of the Abdomen

2013 ◽  
Vol 37 (1) ◽  
pp. 46-51 ◽  
Author(s):  
Celia Pamela Corona-Villalobos ◽  
Li Pan ◽  
Vivek Gowdra Halappa ◽  
Susanne Bonekamp ◽  
Christine H. Lorenz ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Diffusion Coefficient ◽  
Magnetic Resonance ◽  
Apparent Diffusion Coefficient ◽  
Soft Tissues ◽  
B Value ◽  
Resonance Imaging ◽  
Diffusion Weighted ◽  
Apparent Diffusion ◽  
Weighted Magnetic Resonance Imaging

scholarly journals Measuring Restriction Sizes Using Diffusion Weighted Magnetic Resonance Imaging: A Review

2013 ◽  
Vol 6 ◽  
pp. MRI.S11149 ◽  
Author(s):  
Melanie Martin
Keyword(s):  
Magnetic Resonance Imaging ◽  
Diffusion Coefficient ◽  
Magnetic Resonance ◽  
Apparent Diffusion Coefficient ◽  
Spin Echo ◽  
Resonance Imaging ◽  
Free Diffusion ◽  
Diffusion Weighted ◽  
Apparent Diffusion ◽  
Weighted Magnetic Resonance Imaging

This article reviews a new concept in magnetic resonance as applied to cellular and biological systems. Diffusion weighted magnetic resonance imaging can be used to infer information about restriction sizes of samples being measured. The measurements rely on the apparent diffusion coefficient changing with diffusion times as measurements move from restricted to free diffusion regimes. Pulsed gradient spin echo (PGSE) measurements are limited in the ability to shorten diffusion times and thus are limited in restriction sizes which can be probed. Oscillating gradient spin echo (OGSE) measurements could provide shorter diffusion times so smaller restriction sizes could be probed.

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