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脑膜瘤立体定向放射外科治疗后开颅手术的分析

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摘要 目的 探讨立体定向放射外科治疗脑膜瘤后开颅手术的原因及相互关系。方法 对19例脑膜瘤经立体定向放射外科治疗后有不同程度的颅内压增高、临床体征加重,经CT或MR的复查脑瘤增大或水肿加重,通过手术切除肿瘤,解除造成的高颅压。结果 脑膜瘤的大小、部位、脑水肿的程度以及周边治疗剂量是影响立体定向放射外科治疗脑膜瘤疗效的重要因素。血运丰富的肿瘤经立体定向放射治疗后其血管闭塞,肿瘤供血减少。结论 立体定向放射外科治疗可使脑膜瘤组织变性、坏死、瘤体血管闭塞。对于血运丰富的肿瘤经立体定向放射治疗后在开颅手术中出血少、损伤轻,为脑膜瘤全部切除提供条件。
出处 《立体定向和功能性神经外科杂志》 2005年第2期107-108,共2页 Chinese Journal of Stereotactic and Functional Neurosurgery
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