Stage IV glioblastoma: what to know

Glioblastoma is a high-grade tumour arising from supporting cells in the brain. Stage IV describes its high-grade behaviour; brain tumours are not staged in exactly the same way as many cancers that are described by spread from one organ to another. The care team considers the tumour’s location, size, effects on brain function, molecular features, overall health, and how much tumour can be safely removed.

Symptoms depend on the area affected and may include seizures, headaches, changes in speech, weakness, altered vision, memory problems, or changes in behaviour. A symptom does not by itself establish the diagnosis. Imaging and examination are used together, and tissue testing may guide treatment choices.

Treatment may include brain tumour surgery when removal can be done safely, followed by radiotherapy and chemotherapy. The sequence depends on the tumour’s position, tissue findings, recovery, and the person’s wishes. Your team can explain the purpose and likely effects of each option; links to Brain Tumour Surgery, Radiotherapy, and Chemotherapy provide further background.

Supportive care can address seizures, swelling, pain, sleep, movement, speech, mood, and practical needs. Keep a record of new symptoms and medicines, bring a trusted person to visits if helpful, and ask who to contact outside clinic hours. Clinical trials may be discussed when an appropriate option is available.

Seek urgent medical help for a first seizure, a seizure lasting longer than expected, sudden new weakness, difficulty speaking, severe confusion, repeated vomiting, a rapidly worsening headache, or reduced alertness. Do not drive after a seizure; follow the emergency plan given by your clinical team.

Ask where the tumour is located, what the tissue and molecular results show, whether surgery is suitable, how treatment may affect thinking or movement, which symptoms require an urgent call, and what support is available for you and your family.