Conclusions The degree of dissection of giant petroclival meningioma is correlated with tumor nature, blood supply, and adherence to the brain stem.

结论巨大型岩斜脑膜瘤患者的肿瘤切除情况与手术入路的选择无明显相关性。

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The depth of invasion, the degree of differentiation, more accurate preoperative stage and individual treatment are essential for lymph node dissection.

术前了解肿瘤的浸润深度和分化程度，较准确的临床分期和个体化的手术方式对淋巴结清扫至关重要。

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