primary brain tumour
(Science: neurology, oncology) May be subdivided into primary brain tumours and the more common, secondary brain tumours.
primary brain tumours (for example astrocytoma, craniopharyngioma, glioma, ependymoma, neuroglioma, oligodendroglioma, glioblastoma multiforme, meningioma, medulloblastoma) arise from the uncontrolled proliferation of cells within the brain.
secondary brain tumours occur from the spread of cancer into the brain from a distant cancerous organ (metastasis).
Common symptoms of a brain tumour include headache, nausea, vomiting, seizures, change in mentation, neurologic symptoms and loss of memory.