患儿,女,3岁,回族。患儿父母在3月前发现患儿右下颌骨有杏仁大小肿物,间歇性疼痛,在当地医院抗炎治疗无效。肿物穿刺抽出约5ml黄褐色液体,未行细胞学检查,五日后肿物快速生长,夜间疼痛加剧,转入我院诊治。患儿平素体健,否认传染病及手术外伤史,否认家族中有类似疾病及家族遗传 Children, female, 3 years old, Hui. Parents of children with children found in March before the right mandible with almond-sized tumor, intermittent pain, anti-inflammatory treatment in the local hospital is invalid. Tumor puncture took out about 5ml brown liquid, cytology was not performed, five days after the rapid growth of the tumor, increased night pain, transferred to our hospital for diagnosis and treatment. Children usually physical health, denied the history of infectious diseases and surgical trauma, denied the family have a similar disease and family history