Brain tumor
Other namesIntracranial neoplasm, brain tumour
SpecialtyNeurosurgery, oncology
SymptomsVary depending on the part of the brain involved, headaches, seizures, problem with vision, vomiting, mental changes
TypesMalignant, benign
CausesUsually unknown
Risk factorsNeurofibromatosis, exposure to vinyl chloride, Epstein–Barr virus, ionizing radiation
Diagnostic methodComputed tomography, magnetic resonance imaging, tissue biopsy
TreatmentSurgery, radiation therapy, chemotherapy
MedicationAnticonvulsants, dexamethasone, furosemide
PrognosisAverage five-year survival rate 33% (US)
Frequency1.2 million nervous system cancers (2015)
Deaths229,000 (2015)