Medulloblastoma is the most common malignant central nervous system tumor of childhood, accounting for about 20 percent of pediatric brain tumors.
髓母细胞瘤是儿童中枢神经系统最常见的恶性肿瘤，占儿童脑肿瘤的20%左右。
2
Objective to study the nursing of children with malignant tumor in order to prevent the epidemic of type a H1N1 influenza in pediatric wards, reduce complications and improve survival rate.
目的探讨恶性肿瘤患儿病房预防甲型H1N 1流感的护理措施，减少并发症，提高生存率。
3
His spinal cord tumor had been removed through a new technique pioneered by Fred J. Epstein, a pediatric neurosurgeon at the new York University Medical Center in Manhattan.