来源于神经嵴组织的色索性肿瘤虽多,但婴儿黑色素神经外胚瘤及儿童期恶性黑色素瘤均少见.到1980年为止,前者国外文献共报道90例左右~(1),后者国外报道为60例~(2、3),国内二者均少有报道。本文报道此两种肿瘤各一例,并结合文献,简要讨论. Although there are many colorectal tumors derived from neural crest tissue, infant melanoma neuroepithelial neoplasia and childhood malignant melanoma are rare. By 1980, the foreign literature reported a total of about 90 cases (1), the latter reported abroad. For 60 cases ~ (2,3), both domestic reports are rare. This article reports one case of each of these two types of tumors, combined with literature, briefly discussed.