结论经颈入路是切除咽旁间隙肿瘤安全有效的入路，少部分病例可选择经口入路。

Conclusion it is considered that cervical approach is safe and efficacious for extirpation of parapharyngeal space neoplasms, while oral approach is effective for minority.

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目的 探讨经口咽入路齿状突磨除行脑干腹侧减压的手术技巧及安全性。

Objective To study the microsurgical odontoidectomy via transoral transpharyngeal approach for craniovertebral junction malformation and its safety.

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研究背景：目前治疗症状性难复性寰枢椎脱位最常用的方法是经口咽入路。

SUMMARY OF THE BACKGROUND DATA: Currently, the most frequently used route for the treatment of symptomatic IAAD is transoral-transpharyngeal approach.

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