作者认为脑室引流是治疗小脑出血的一种有效方法。
The authors believe that ventricular drainage is a effective method of the treatment of cerebellar hemorrhage.
目的探讨经小脑延髓裂入路到达第四脑室的解剖研究，及在不切开下蚓部的情况下如何分离此裂隙以获得最佳的手术视野。
Objective To refine the transcerebellomedullary fissure approach to the fourth ventricle and dissect the fissure to obtain sufficient operative view without splitting the inferior vermis.
目的报道经小脑延髓裂入路显微外科手术切除儿童第四脑室肿瘤的临床疗效。
Objective To evaluate the clinical effect of cerebellomedullary fissure approach to resect the fourth ventricle tumors.
结果：肿瘤位于小脑半球8例，小脑蚓部5例，第四脑室10例。
Results: 8 cases located in cerebellar hemisphere, 5 cases in vermis, 10 cases in fourth ventricle.
手术适应征应为①外侧型脑内出血、小脑出血、早期内侧型脑室内出血；
The surgical indications should be (1) lateral type of intracerebral hemorrhage, intracerebellar hemorrhage, and the early stage of medial type of intracerebral and intraventricular hemorrhage.
伤后6小时开始出现“收缩球”。病变以脑干、枕极、小脑、额极、海马及脑室壁等中线区为重。
The lesions of retraction bails began to appear at 6h after injury and lasted to 24h and 48h.
伤后6小时开始出现“收缩球”。病变以脑干、枕极、小脑、额极、海马及脑室壁等中线区为重。
The lesions of retraction bails began to appear at 6h after injury and lasted to 24h and 48h.
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