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.

youdao

结果四脑室肿瘤以髓母细胞瘤、室管膜瘤和星形胶质瘤多见，肿瘤与发病年龄关系密切。

Results the most common neoplasms were medulloblastoma and ependymoma and astrocytoma in the fourth ventricular. Some tumors had specific patients age.

youdao

室管膜下巨细胞星形细胞瘤均位于莫氏孔区这一特定的解剖部位，这一肿瘤常有强化，而且肿瘤逐渐增长。

Some features of subependymal grant cell astrocytoma were their anatomy location at or near the fomina of Morno, tumor enhancement and mass growth continuously.

youdao