A glioma is a type of tumour that starts in the brain or spine. It is called a glioma because it arises from glial cells. The most common site of gliomas is the brain.  Gliomas make up about 30% of all brain and central nervous system tumours and 80% of all malignant brain tumours.  The exact causes of gliomas are not known. High-grade gliomas are … Continue reading First ever study shows how astrocytes help to spread glioma.