神经母细胞瘤是乳幼儿恶性肿瘤中最常见的一种,其发病率仅次于肾胚瘤,居第2位。泽田1973年报导日本每年登记100例以上,认为近来发病率有增加的倾向,比肾胚瘤更多见。渡边1972年统计,在小儿恶性肿瘤中神经母细胞瘤占10％(94/971),可发生在腹膜后、纵隔、颈部及骨盆等部位,但最常发生在腹膜 Neuroblastoma is the most common type of malignant tumor in infants and toddlers. Its incidence is second only to that of nephroblastoma, ranking second. Sawada reported in 1973 that Japan enrolled more than 100 patients each year and considered it more likely that the incidence had increased recently than that of nephroblastoma. Watanabe 1972 statistics, neuroblastoma in children with malignant tumors accounted for 10% (94/971), can occur in retroperitoneal, mediastinal, neck and pelvis and other parts, but most commonly occurs in the peritoneum