Meningiomas,Multiple

《英文msh詞典》Meningiomas,Multiple
[同義詞] Meningiomas,Multiple
[主題詞] Meningioma
[中文釋義] 腦膜瘤,多發性
[英文釋義] A relatively common neoplasm of the central nervous system that arises from arachnoidal cells. The majority are well differentiated vascular tumors which grow slowly and have a low potential to be invasive,although malignant subtypes occur. Meningiomas have a predilection to arise from the parasagittal region,cerebral convexity,sphenoidal ridge,olfactory groove,and spinal canal. They tend to present in the fourth to sixth decades of life with signs indicative of a slowly progressive mass lesion. Specific clinical manifestations depend on the location of the tumor,but may include INTRACRANIAL HYPERTENSION,cranial neuropathies,ataxia,and other focal neurologic signs. (From DeVita et al.,Cancer: Principles and Practice of Oncology,5th ed,pp2056-7)