患者男,18岁,左面部肿胀一年余。一年前左下颌磨牙区牙龈肿胀、疼痛,经用抗生素治疗疼痛逐渐减轻,但局部肿块仍然存在,并逐渐增大,当地医院检查,诊断为左下颌骨牙源性肿瘤,转我院治疗。全身检查无异常。领面外科情况:面部两侧明显不对称,左下领体部膨隆,表面皮肤正常,无压痛,左侧领下可扪及约黄豆大小活动淋巴结4枚,质中等,有轻度压痛,收口正常,缺失,瘤体顶部牙龈有收口正常缺失,瘤体顶部牙龈有咬迹,咬迹区瘤体外露,呈淡黄色,质坚 Male patient, 18 years old, left facial swelling more than a year. A year ago, the left mandibular molar area swollen gums, pain, pain relief with antibiotics, but the local mass still exists and gradually increased, the local hospital examination, diagnosis of left mandibular odontogenic tumors, transferred to our hospital for treatment. No abnormalities in the whole body examination Collar surgical situation: obvious asymmetry on both sides of the face, left bulge collar body, the surface of the skin is normal, no tenderness, left collar can be palpable about the size of soybean activity lymph nodes 4, medium quality, mild tenderness, shut normal , Missing, the top of the tumor gingival retraction normally missing, the top of the tumor bite gums, bite area of ​​the tumor exposed, pale yellow, qualitative