前庭蜗神经

目的：对展神经、面神经、前庭蜗神经进行塑化切片与MRI对照研究，获得正常影像和断层解剖资料。

Objective : To obtain the normal image and sectional anatomical data of the abducent nerve , facial nerve , vestibulocochlear nerve with MRI and plastination .

桥小脑角段由面神经运动根、中间神经两个根组成，与前庭蜗神经走行关系恒定。

The cerebellopontine angle segment was composed of motor root and interme diate nerve and showed a regular relation with vestibulocochlear nerve in their pathways .

MR影像易于判断面、前庭蜗神经的分支。

The branches of the facial and vestibulocochlear nerves could be easily visualized on Fast SE MR imaging .

结论MRI可以很好显示面、前庭蜗神经颅内各段的影像。

Conclusion MR imaging can well display the intracranial segments of the facial and vestibulocochlear nerves .

前庭蜗神经颅内段与周围结构的关系

Relation of Intracranial Segment of Vestibulocochlear Nerve to Surrounding Structures

回返穿通动脉位于面神经、前庭蜗神经之间有32例（80%）。

The 80 percent recurrent perforating arteries passed between the facial nerve and the vestibulocochlear nerve .

小脑下前动脉与前庭蜗神经关系的解剖学观察

Vestibular recruitment cerebellar infarction abscess of cerebellum observation on the relationship of the anterior inferior cerebellar artery and vestibulocochlear nerve

面神经根出入区位于前庭蜗神经内侧稍下方；

Root entry or exit zone of the facial nerve was located medial and slightly inferior to that of the vestibulocochlear nerve .

目的通过影像解剖学对照研究，探讨面、前庭蜗神经影像的最佳检查方法。

Objective To investigate the optimal method for the imaging of the facial and vestibulocochlear nerves by comparing their MR imaging and dissections .

结果常规横断面和冠状面可显示面、前庭蜗神经复合束，并可分层显示其在内耳道底的分支。

Results On the routine axial and coronal planes , the course of the facial and vestibulocochlear nerves complex were revealed , and its branches in the internal auditory canal were identified on different planes .

结果面神经脑干端与周围解剖结构有恒定距离；桥小脑角段由面神经运动根、中间神经组成，与前庭蜗神经走行关系恒定；

Results There is a stable distance between brain stem segment of facial nerve and related anatomical structures , cerebellopontine angle segment is composed of motor root of the facial nerve and intermediate nerves , which have stable relation with vestibulocochlear nerve ;

目的：为了在前庭蜗神经瘤（VN）手术中提高面神经和前庭蜗神经功能保留率。

Objective : To provide anatomy base to increase the chance of maintaining the facial and vestibulocochlear nerve in the ectomy of vestibulocochlear neuroma ( VN ) .