目的：探讨利用磁共振弥散成像(DWI)和表观弥散系数(adc)测定对乳腺癌范围确定的可行性。
Objective: To investigate the feasibility with diffusion-weighted imaging (DWI) and the apparent diffusion coefficient (ADC) value in detecting accuracy of the cancer extension.
目的评价磁共振弥散加权成像(DWI)表观弥散系数(adc)和ADC图对脑缺血的诊断价值。
Objective To evaluate the diagnostic value of (DWI) apparent diffusion coefficient (ADC) and ADC map in diagnosis of cerebral ischemia.
目的：探讨不同弥散强度对弥散张量成像中表观弥散系数值及部分各向异性指数值测定的影响。
Purpose: To study the effect of different diffusion weighting on ADC and FA measurements of normal brain.
各期病灶表观扩散系数值及在弥散加权成像上信号不同。
The signals on ADC value and DWI of the focus were different in various stage.
对各组大鼠的磁共振成像结果进行分析，比较各组表观弥散系数（ADC）。
The findings of MRI were analysed, and the apparent diffusion coefficient (ADC) values were compared among each group.
重症急性酒精中毒死亡组大鼠脑的磁共振弥散加权成像均出现高强度信号，表观弥散系数值在短时间内骤降。
Abnormal high signal can also be seen on DWI image of severe alcoholism dead group, and ADC value showed a sudden drop in a short term.
结果未注酒精组大鼠脑的磁共振弥散加权成像未见异常信号改变，其表观弥散常数值亦未见随时间而改变。
Resultsthere were no abnormal signals on DWI image of non alcohol injection group, and ADC value didn't change at different point of time.
结果未注酒精组大鼠脑的磁共振弥散加权成像未见异常信号改变，其表观弥散常数值亦未见随时间而改变。
Resultsthere were no abnormal signals on DWI image of non alcohol injection group, and ADC value didn't change at different point of time.
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