口腔颌面部畸胎瘤少见,发生在口底者更少见,国内报道只有2例。近5年来我们收治2例经病理证实的畸胎瘤,现报告如下。典型病例患儿男,2个月。生后其母发现舌下右侧有一1.5cm×1cm大小肿物,哭闹时更为明显。就诊前10天迅速增大,并从口底右侧发展到左侧,有轻度吞咽障碍。专科检查:舌下口底有 Oral and maxillofacial teratoma rare, occurred in the mouth of the mouth are more rare, only 2 cases reported in China. In the past 5 years, we treated 2 cases of pathologically confirmed teratoma, are as follows. Typical cases of children male, 2 months. After the birth of his mother found that the right tongue has a 1.5cm × 1cm size of the tumor, more pronounced when crying. 10 days before treatment increased rapidly, and from the bottom of the mouth to the left, with mild swallowing. Specialist examination: the bottom of the tongue under the mouth