However, even benign tumors can cause serious problems if they grow big enough to cause increased intracranial pressure or obstruct vascular structures or cerebrospinal fluid flow.

然而，即使良性肿瘤可能会导致严重的问题，如果他们长大大到足以引起颅内压增高，阻碍血管结构或脑脊髓液的流动。

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Purpose: to evaluate the feasibility and accuracy of MR phase-contrast cine technique in cerebrospinal fluid and cerebral blood flow quantification by establish appropriate flow phantoms.

目的：通过建立适当的流体模型，评价磁共振相位对比电影法对流体定量测量的可行性及准确性。

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