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.
结果：神经纤维瘤病1型4例，表现为蝶骨大翼缺损2例，其中1例合并双侧桥小脑结合臂胶质瘤，1例合并眶内丛状神经纤维瘤；
Results:Among the4cases of NF1,2had defect of the great wings of the sphenoid, bilateral middle cerebellar peduncle gliomas and plexiform neurofibroma respectively.
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