婴儿黑色素性神经外胚层瘤是一种极少见的肿瘤,目前见诸文献报道的尚不足60例。其特点是发生在一岁内的婴儿上颌前部,呈蓝黑色的包块。现报告2例如下: 例1 邵某,男,6个月,住院号318093,因发现 Infantile melanotic neuroectodermal tumors are a rare type of tumor. Currently, less than 60 cases have been reported in the literature. It is characterized by the occurrence of a blue-black mass in the anterior maxilla of a baby within one year of age. The current report 2 is as follows: Example 1 Shao Mou, male, 6 months, hospital number 318093, found