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What is the criteria to participate?

To be eligible to participate in the registry, patients must be younger than 46 years old at the time of diagnosis and be diagnosed with one of the following rare conditions:

  • CNS sarcoma
  • BCOR-altered tumor
  • Astroblastoma/MN-1 altered tumor
  • Histologically ambiguous/unclassifiable tumor
  • Other rare brain tumor

What does the registry collect?

Clinical data including:

  • Demographics, tumor location, staging, pathology and molecular reports
  • Imaging, such as MRI imaging
  • Treatment information and disease course

Biospecimens (optional):

  • Tumor tissue
  • Blood
  • Cerebrospinal fluid (CSF)

For patients enrolled in our prospective cohort, providers will also be asked to submit updates to the registry twice a year.

Presentations and Publications

  • Clinical and Molecular Characterization of DICER-1 mutant CNS sarcomas, International Society of Pediatric Oncology, Philadelphia, June 29, 2024

  • Pediatric Neuro-Oncology Symposium, Washington, D.C., May 2024

  • Dowiak* A, Williamson* L, Povilaikaite* J, Cabrera E, Aponte N, Garcia J, Quiroz L, Piña M, Martinez C, Valencia D, Barragan L, Reséndiz AB, Magelssen H, Trujillo Á, Osorio D, Figueredo O, Packer R, Sarmiento I, Suarez A, Mushtaq N, Abdullaev Z, Poria D, Bartels U, Bouffett E, Polo BR, Aldape K, Ramaswamy V, Fonseca A. ETMR-30. Clinical and molecular characterizaion of dicer-mutant central nervous system sarcoma. Neuro Oncol. 2024 Jun 18;26(Suppl 4):0. doi: 10.1093/neuonc/noae064.200. PMCID: PMC11183751.

Call for Collaborators

Interested in Becoming a Partner?

If you are a physician or researcher interested in partnering with the International Rare Brain Tumor Registry, please complete our form.