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A rare brain tumor in two people, gone after surgery

Original title: Intracranial mesenchymal tumours with FET::CREB fusions: Two case reports and literature review.

How far along is this research?

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

This is a report on two people who were treated, not a study testing a new treatment.

The short version

Two people with a very rare brain tumor stayed free of it after surgery and radiation.

What was studied. Doctors wrote up two people with a very rare brain tumor. One was a 32-year-old man. One was a 69-year-old woman. Both tumors grew on a fold of tissue in the middle of the brain.

What they found. Lab tests showed both tumors had the same gene change, where two genes join together. The man had part of his tumor removed, then had radiation. The woman had her whole tumor removed, then had radiation. After 38 months and 30 months, the tumor had not come back in either person.

What this means, and what it doesn't

What it could mean: Taking out the whole tumor, with radiation after, may help keep this tumor from coming back. Lab tests on the tumor tissue help doctors name this rare tumor correctly.

What it doesn't mean: This is not a cure, and it does not prove the best way to treat this tumor. It is a report on just two people. Two people cannot tell us what will happen for anyone else. The doctors say much larger studies are still needed.

Source: PubMed, September 23, 2026 · Read the original

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