What a Craniotomy Involves: A Guide by Julie Crawshay
For many families, surgery is one of the first major steps after a glioblastoma diagnosis, and the word "craniotomy" can sound frightening. At The Neuro Farmacist, Julie Crawshay aims to demystify the basics so you can walk into your surgical consultation feeling informed rather than overwhelmed.
A craniotomy is an operation in which a neurosurgeon temporarily removes a section of the skull to access the brain, then carefully replaces it at the end of the procedure. For glioblastoma, the usual goals are to obtain tissue for a precise diagnosis, to relieve pressure caused by the tumour, and to remove as much of the tumour as can safely be done.
The Idea of Safe Resection
You may hear surgeons talk about the "extent of resection". Because glioblastoma sends fine, finger-like extensions into surrounding tissue, complete removal of every cell is generally not possible. Instead, the aim is maximal safe resection: taking out as much tumour as possible while protecting areas that control movement, speech, vision and other vital functions.
To do this safely, teams may use tools such as:
- Neuronavigation: image-guided mapping that acts like a GPS for the brain.
- Awake mapping: in some cases part of the surgery is done while you are awake so the team can check language or movement in real time.
- Fluorescence guidance: agents that can help the surgeon see tumour tissue more clearly during the operation.
Not every technique is right for every person, and your surgeon will explain what suits your particular tumour location.
Recovery and What to Ask
Recovery varies widely from person to person. Some people are up and walking within a day or two, while others need more time, particularly if the tumour was near a critical area. A short hospital stay, follow-up imaging and a wound-care plan are common. Fatigue afterwards is normal and often underestimated.
Julie Crawshay encourages families to prepare a few questions before the operation, such as:
- What are the specific goals of my surgery?
- What functions are most at risk, and how will you protect them?
- What does a realistic recovery look like week by week?
- How will the results guide the next stage of treatment?
It is also worth asking how the tissue removed will be analysed, because pathology and molecular testing from surgery shape decisions about radiation, chemotherapy and clinical trial options later on.
Surgery is rarely the whole story in glioblastoma care, but it is often an important foundation for what follows. Every situation is different, and the details here are general information only. Always discuss your own operation, its risks and its goals with your neurosurgeon and neuro-oncology team, who can tailor everything to you.
Written for The Neuro Farmacist by Julie Crawshay.