Quantitative characterization of tissue microstructure with temporal diffusion spectroscopy
نویسندگان
چکیده
منابع مشابه
Quantitative characterization of tissue microstructure with temporal diffusion spectroscopy.
The signals recorded by diffusion-weighted magnetic resonance imaging (DWI) are dependent on the micro-structural properties of biological tissues, so it is possible to obtain quantitative structural information non-invasively from such measurements. Oscillating gradient spin echo (OGSE) methods have the ability to probe the behavior of water diffusion over different time scales and the potenti...
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Diffusion MRI provides a non-invasive means to characterize tissue microstructure at varying length scales. Apparent diffusion coefficients (ADCs) of tissue water may be measured at relatively long diffusion times with conventional pulsed gradient spin echo (PGSE) methods, or at much shorter effective diffusion times using oscillating gradient spin echo (OGSE) methods. The manner in which ADC d...
متن کاملQuantitative Tissue Structure Characterization with Temporal Diffusion Spectroscopy
Introduction: Diffusion-weighted magnetic resonance imaging (DWI) is dependent on the micro-structural properties of biological tissues, so it is possible to obtain quantitative structural information non-invasively from DWI measurements (1). However, due to hardware limitations, the diffusion times achieved in practice using conventional pulsed gradient spin echo (PGSE) methods are relatively ...
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........................................................................................ 63 Introduction .................................................................................... 64
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Magnetic resonance images (MRI) that depict rates of water diffusion in tissues can be used to characterize the cellularity of tumors and are valuable in assessing their early response to treatment. Water diffusion rates are sensitive to the cellular and molecular content of tissues and are affected by local microstructural changes associated with tumor development. However, conventional maps o...
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ژورنال
عنوان ژورنال: Journal of Magnetic Resonance
سال: 2009
ISSN: 1090-7807
DOI: 10.1016/j.jmr.2009.06.022