scholarly journals The accuracy and sensitivity of diffusion-weighted magnetic resonance imaging with Apparent Diffusion Coefficients in diagnosis of recurrent cholesteatoma

2017 ◽  
Vol 4 ◽  
pp. 27-39 ◽  
Author(s):  
Nasr Mohamed M. Osman ◽  
Ahmed Abdel Rahman ◽  
Moustafa Talaat Abdel Hakim Ali
2013 ◽  
Vol 6 ◽  
pp. MRI.S11149 ◽  
Author(s):  
Melanie Martin

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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