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Brain swelling around a meningioma is linked to seizures

Original title: Peritumoural brain edema is associated with seizure-related presentation in intracranial meningiomas.

How far along is this research?

This was tested in people. That is the most reliable kind of research we share.

This was a look back at people's past records, not a new treatment.

The short version

People with swelling around a meningioma were more likely to have seizures.

What was studied. Doctors looked back at the records of 213 people who had surgery for a meningioma. They checked MRI scans for swelling in the brain around the tumor.

What they found. Swelling was found in 113 of 202 tumors that could be checked, and it was more common in bigger tumors. Seizures were the first sign of trouble in 5 of 69 people without swelling. In people with swelling, it was 22 of 84.

What this means, and what it doesn't

What it could mean: Swelling around a meningioma may help explain why some people have seizures. A doctor may watch you more closely for seizures if your scan shows swelling.

What it doesn't mean: This does not mean the swelling causes seizures. The study only looked back at old records, so it cannot prove cause. The authors say the numbers are not exact. It is not a new test or treatment, and it is not a cure.

Source: PubMed, September 14, 2026 · Read the original

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