目的:探讨Shamblin Ⅲ巨大颈动脉体瘤切除术的最佳入路。方法采用下颌骨截断外旋入路切除Shamblin Ⅲ型巨大颈动脉体瘤3例。结果经下颌骨截断外旋,手术视野暴露充分,肿瘤得到根治,疗效满意,无明显神经功能障碍及其他并发症。结论下颌骨截断外旋入路具有暴露充分、提供良好操作空间的特点,可以避免或显著减少严重并发症的发生。 Objective: To investigate the best approach of Shamblin Ⅲ giant carotid body tumor resection. Methods Three cases of Shamblin Ⅲ giant carotid body tumor were excised by mandibular truncated externalization. Results External mandibular truncation, surgical field of vision was fully exposed, the tumor was radical, the effect was satisfactory, no obvious neurological dysfunction and other complications. Conclusion The mandibular truncated circumcision has the characteristics of adequate exposure and good operation space, which can avoid or significantly reduce the incidence of serious complications.