The foci found were in vermis (36) and cerebellar hemispheres (6).
病变位于小脑蚓部者36例，位于小脑半球6例。
Results: 8 cases located in cerebellar hemisphere, 5 cases in vermis, 10 cases in fourth ventricle.
结果：肿瘤位于小脑半球8例，小脑蚓部5例，第四脑室10例。
MRI shows a cystic mass located in the vermis of the cerebellum that has a solid component on the right.
MRI显示囊性部分位于小脑蚓部，在右侧具有实性部分。
Results In acute period the findings of CT was the hypertensity area on cerebellar hemispheres or vermis.
结果急性期CT表现为小脑半球或小脑蚓部高密度或次高密度团块状病灶。
Activation was also seen at the right precuneus and posterior thalamus with stimulation, extending into the superior vermis.
在右侧契前叶与后视丘在刺激之下也可以看到活化，会延展到小脑上蚓部。
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。
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