What cell type is glioblastoma?

The name describes a tumour of glial lineage, rather than a tumour arising from the nerve cells that carry electrical signals. Pathologists examine tissue under a microscope and use molecular tests to identify features that refine the diagnosis. These results can influence treatment discussions and help the team explain how the tumour behaves. A scan alone cannot establish the cell type.

If safe and appropriate, Brain Tumour Surgery may obtain a sample or remove visible tumour. The tissue is then reviewed before the team discusses Radiotherapy and Chemotherapy. Bring the pathology and molecular reports to appointments and ask which findings are confirmed. The Glioblastoma page gives broader information, while Clinical Trials may be considered if a relevant study is available.

Call emergency services for a first seizure, a prolonged seizure, sudden one-sided weakness, a new inability to speak, severe drowsiness, or rapidly worsening confusion. Tell the oncology team promptly about worsening headaches, repeated vomiting, or a new change in vision or balance.

Ask whether the diagnosis is based on a biopsy or resection, which molecular markers were tested, whether the report is complete, and how each result changes treatment choices. Ask when you will receive the final report and who can explain unfamiliar terms.