Most People Kept Their Speech After Awake Brain Tumor Surgery
Original title: Awake Glioma Surgery with Intraoperative Mapping: Predictors of Language Outcome and Survival.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was tested in people. That is the most reliable kind of research we share.
This kind of surgery is already standard care that doctors can offer today.
The short version
Most people in this study still spoke as well as before after brain tumor surgery done while they were awake.
What was studied. Doctors looked back at 37 people who had a fast growing brain tumor called a glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are graded 1 to 4 by how fast they tend to grow. See the glossary. The tumors were on the side of the brain that handles speech. Each person had surgery while awake, and the team tested their speech during the operation.
What they found. Speech got worse in six patients after surgery. Most people had no change in their speech at the 3 month check. Older age was linked to a higher chance of speech getting worse, and older age and a grade 4 tumor were both linked to not living as long.
What this means, and what it doesn't
What it could mean: If your tumor sits near the speech areas of the brain, being awake during surgery lets the team check your speech as they work. In this study most people kept the speech they had. Older adults may face a higher chance of speech trouble afterward. Your own surgeon can tell you what fits your case.
What it doesn't mean: This does not mean speech is never lost, or that this surgery is right for everyone. The study was small and only looked back at records of past patients. The authors call their findings early and say bigger studies are needed. It does not prove that age itself causes speech problems. And it is not a cure for a brain tumor.
Source: PubMed, June 24, 2026 · Read the original
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