1·Patients with multiple metastatic sites outside the CNS should initially be given systemic therapy.
中枢神经系统以外有多处转移的病人开始时应作全身治疗。
2·Primary CNS lymphoma is a rare tumor accounting for 4% of all brain neoplasms.
原发性中枢神经系统淋巴瘤是一种少见肿瘤，约占全部脑肿瘤的4%。
3·Intraventricular primary CNS lymphoma is very rare, with few cases reported in the literature.
脑室内原发性中枢神经系统淋巴瘤非常罕见，仅可见少量文献报道。
4·Although the definite etiology and pathogenesis are not very clear up to now, many studies show that the immunological factors play a key role in the demyelinating disease of CNS.
虽然其确切的病因和发病机理尚不十分清楚，但许多研究表明免疫学因素在中枢神经系统炎性脱髓鞘病中起着关键性的作用。
5·The changes of baroreceptor reflex, especially the disturbance of CNS regulation function are the main factors causing the decrease of orthostatic tolerance after bed rest.
而压力感受性反射功能的改变，特别是中枢神经系统调节功能的紊乱，是卧床后立位耐力降低的主要原因。