The International Rare Brain Tumor Registry (IRBTR) is a prospective observational study that will collect tumor samples and matched clinical and radiological data to better understand the outcomes of patients with rare brain tumors in particular: CNS sarcoma, BCOR, MN-1 altered tumors, PLAG/L1, and other rare or unclassified rare brain tumors.
Data collected include demographics, disease characteristics, treatment information, radiological imaging, and biospecimen collection if available ( tumor tissues Patients will be followed longitudinally to obtain outcome data. Data collection will continue for approximately 10 years.
