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.

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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.

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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.

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