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.
网状细胞染色考虑许旺氏细胞瘤可能性大于脑膜瘤或室管膜瘤，超过50%的许旺氏细胞瘤在网状细胞染色时可见胞质淡染。
Reticulin staining (c) is more consistent with schwannoma than either meningioma or ependymoma. Reticulin staining was found to be strong in greater than 50% of the tumor.
结节性硬化(皮质结节)和室管膜下的巨细胞性星形细胞瘤。
Tuberous sclerosis - in cortical tubers and subependymal giant cell astrocytoma.
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