肿瘤可以重塑颞骨并且扩展入后颅窝，可能导致脑干和小脑受压，一些肿块可能会延伸到颅底下方。

These tumors can remodel the temporal bone and extend into the posterior cranial fossa, possibly producing mass effect on the brainstem and cerebellum. Some tumors may extend below the skull base.

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目的：研究颅中窝硬脑膜外经颞骨岩部入路进行岩斜区直接手术的手术方法，并提供相应的解剖依据。

Objective: To study the operative technique for extended middle fossa extradural transpetrosal approach to petroclival region and to provide correspondingly anatomical basis.

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结果男性多于女性，颅穹隆骨破坏依次为颞骨8例、顶骨3例、枕骨2例、额骨1例。

Results the male outnumbered female in this group. Cranial bones were involved in the sequence of temporal bone (8 cases), parietal bone (3 cases), occipital bone (2 cases), and frontal bone (1 case).

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