室管膜上神经纤维可存在于海马伞的多纤毛区，也可存在于海马体的少纤毛区。

Supraependymal nerve fibers existed not only on the ciliated surface of hippocampal fimbria, but also in the middle and posterior surfaces of hippocampal body.

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患者可有中枢神经系统或周围神经系统的肿瘤病变，包括许旺氏细胞瘤、脑膜瘤、室管膜瘤、胶质瘤、神经纤维瘤等。

Affected individuals develop tumors of the central and peripheral nervous system, including schwannomas (typically of the vestibulum), meningiomas, ependymoma, gliomas, and neurofibromas.

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