QLIF-31. SYMPTOM BURDEN AND HEALTH STATUS OF PATIENTS WITH RARE VERSUS COMMON BRAIN TUMORS

摘要

BACKGROUNDThere are over 130 types of primary central nervous system neoplasms, many with annual incidences of less than 2,000 patients. Their rarity present challenges in generating sufficient patient accrual to understand the disease trajectory and impact on patients.