由于四脑室的室管膜下瘤更容易出现钙化，增强扫描多有强化，其诊断更具有挑战性。
Because fourth ventricular subependymomas can have calcification and contrast enhancement more typical of ependymomas, diagnostic imaging is more challenging.
室管膜细胞排列在充满脑脊液的脑室周围，所以理论上认为药物可以通过这些流动的脑脊液直接到达干细胞部位来活化这些细胞。
Ependymal cells line the fluid-filled ventricles, so a drug to activate the cells could theoretically travel through this fluid directly to the stem cells.
室管膜囊肿是少见的颅内病变，可以见于脑实质、脑室或蛛网膜下腔。
Ependymal cysts are rare intracranial lesions that are found in the brain parenchyma, ventricles, and subarachnoid space.
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