How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed? How Are Brain and Spinal Cord Tumors in Children Diagnosed?