Objective: to study the ct and MRI Diagnosis and Antidiastole value ofbrain abscess and metastatictumor.
目的：探索CT与MRI对脑脓肿及脑转移瘤的诊断及鉴别诊断价值。
2
Objective: to study the curative effect dose and the connected factors about the effect of rotating gamma system for treatment ofbrainmetastatictumor.
目的：探讨脑转移瘤伽玛刀治疗的疗效，处方剂量，影响疗效的相关因素。
3
Objective to explore the differentiation between the primary braintumor and metastaticbraintumor by the measurement of levels of serum tumor supplied group of factors (TSGF).