阳性转移癌均分布在颈前三角的上颈深和下颈深区，而颈后及颌下三角均未发现阳性转移癌。
All of the positive nodes situated in superior deep cervical area and five of them also in inferior deep cervical area. We have not found any positive node in the submandibular and posterior triangle.
颌下进路是该区肿瘤较好的手术途径。
Submandibulla approach is a better operative approach for this area tumor.
目的通过B超引导下局部穿刺吸脓的方法治疗颌面间隙感染，避免手术切开排脓遗留瘢痕。
Objective The method of stabing skin and absorbing abscess liquid under the guide of type-B ultrasonic to cure maxillofacial space infection can avoid scar formation left after surgical operation.
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