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Magnetization transfer based metric for chemical exchange saturation transfer MRI
Magnetization transfer based metric for chemical exchange saturation transfer MRI
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机译:基于磁化转移的化学交换饱和转移磁共振成像方法
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摘要
A medical analysis system (111) for processing magnetic resonance imaging (MRI), data (170) from a target volume (208) in a subject (218) includes a memory (107) for storing machine executable instructions; and a processor (103) for controlling the system (111). Execution of the machine executable instructions causes the processor (103) to: determine from the MRI data (103) chemical exchange saturation transfer (CEST) voxel values corresponding to a transfer of saturation between a predefined pool of protons and water protons, the pool of protons having a predefined chemical shift; and weight the CEST values in order to distinguish CEST values of fluid-rich tissues (507) from CEST values of solid tissues (505) in the target volume (208), wherein the fluid-rich tissue comprises an amount of fluid higher than a predefined minimum amount of fluid.
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