Pediatric Brain Tumors: Conformal Radiation Therapy Perspective

摘要: Childhood cancer is the most common cause of disease related death among children ages 0 to 19 years.It has not been defined as a public health problem because fewer than 12,500 cases are diagnosed each year. CNS tumors represent 21% childhood cancers or about 2700 per year [1]. This rare group composed astrocytoma, 56% (n = 1510); embryonal including medulloblastoma, supratentorial primitive neuroectodermal tumor, and pineoblastoma, 20% 550); ependymoma, 7% 190); craniopharyngioma, 3% 100); germ cell tumors, involving spinal cord, pituitary, choroid plexus, 11% 300) (Fig. 31-1). Open image in new window Figure 31-1 Estimated incidence pediatric United States.