All articles

Surgery decisions

Non-surgical alternatives to brain surgery

For many brain conditions there are real alternatives: observation, medication, stereotactic radiosurgery or endovascular treatment. Surgery is not always the answer.

Dr Ian Human4 min readUpdated 02 Jul 2026

The right treatment for a brain condition is not automatically surgery. For a small meningioma found by chance on a scan, the best treatment is often to watch it with an MRI in a year and see if it grows.

For many brain metastases, small aneurysms and certain benign tumours, stereotactic radiosurgery (Gamma Knife, CyberKnife) delivers a highly focused dose of radiation without an incision. It is not a substitute for surgery in every case, but where it applies it is genuinely non-invasive.

For most aneurysms, endovascular treatment (coiling or flow diversion, done through a groin catheter) has replaced open surgery as the first-line option. It is done by interventional neuroradiologists working closely with neurosurgeons.

Some conditions previously treated surgically — for example many pituitary tumours — are now managed medically with drugs that shrink them.

I will always tell you honestly if there is a good non-surgical option for your condition, even if it means referring you elsewhere. Doing the right thing is more important than doing the operation.

Important

This article is general information from Dr Ian Human's practice and is not a substitute for an in-person consultation. If any of it applies to you, please book a consultation so we can look at your specific situation.

Book a consultation

If you have a question about your own scan or symptoms, the right next step is usually an appointment.

Request an appointment