期刊
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
卷 32, 期 3, 页码 463-474出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RCT.0b013e31811ec6d4
关键词
diffusion-weighted imaging; apparent diffusion coefficient; shine-through effect; pseudodiffusion; intravoxel incoherent motion; lack of mobile spin effect
In magnetic resonance diffusion-weighted imaging, signal intensity is influenced simultaneously by temperature, diffusivity, b value, pseudodiffusion, macroscopic motion, and T2-weighted intensity value. The purpose of this pictorial essay is to discuss and exemplify the influence that such factors and the related modifications have on signal intensity. Apparent diffusion coefficient, shine-through and pseudodiffusion will also be examined to show how T2-weighted signal intensity value and nondiffusional intravoxel incoherent motion can affect the diffusion-weighted imaging.
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