新生儿先天性右颌下巨大混合血管瘤，且重量达250g，国内尚无报导，属罕见病例。现将病案报告如下：患儿刘××男，剖腹产后发现右颌下鸡蛋大肿物，生长速度快，于生后第四天再次来我院住院治疗，体格检查，体温36．3℃，心率136次／min，呼吸40次／min，体重3kg，心肺腹无异常 Neonatal congenital right maxillary huge mixed hemangiomas, and weighing 250g, there is no report, is a rare case. Now the medical record is as follows: Liu × × male child, caesarean section was found after the right mandibular large egg mass, fast growth, on the fourth day after birth again hospitalized in our hospital, physical examination, body temperature 36.3 ℃, Heart rate 136 beats / min, breathing 40 times / min, weight 3kg, no abnormal heart and lung abdomen