Objective To summarize 828 case reports of the patients with cerebellopontine angle micrurgy and research the causes of their diseases.

摘要目总结桥小脑病变828例显微手验，并探讨其致病原因。

OBJECTIVE To discuss the applied anatomical study and clinical significance of the partial labyrinthectomy approach to the internal auditory canal (IAC) and the cerebellopontine angle (CPA).

目探讨部迷路切除手到达内听道和桥小脑应用解剖及临床意义。

Abstract: Objective To evaluate the microsurgical methods and the outcomes of retromastoid small craniotomy with bone flap replace for the treatment of large cerebellopontine angle tumors.

目探讨大型桥小脑肿瘤乳突后小骨窗开颅、骨片复位手方法及其治疗效果。