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A rare brain tumor spread to the belly after a shunt tube

Original title: Diffuse Leptomeningeal Glioneuronal Tumor With Peritoneal Seeding After Ventriculoperitoneal Shunt in an Adult Patient: A Case Report.

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 about one patient, not a test of a new treatment.

The short version

Doctors report one adult whose rare brain tumor spread to her belly through a shunt tube.

What was studied. This is a report about one patient. She was a 28 year old woman with a rare tumor called DLGNT, which spreads along the lining of the brain and spine.

What they found. She first had worsening headaches and fluid buildup in the brain. Doctors thought she had an infection called TB meningitis and placed a shunt tube to drain the fluid. She got worse, and a biopsy then showed the tumor. Fifteen months later her belly filled with fluid, and a biopsy showed tumor cells there too. She died 18 months after doctors found the tumor.

What this means, and what it doesn't

What it could mean: This rare tumor can look like an infection at first, so it is easy to miss. A shunt tube drains fluid from the brain into the belly, and this report shows tumor cells can travel that way. If you have a shunt, tell your care team about new belly swelling or pain.

What it doesn't mean: This is not a study of a new treatment. It is one patient's story, written to warn other doctors. It does not show how often this happens, and it does not mean most shunts spread tumor. Nothing here is a new option for patients, and it is not a cure.

Source: PubMed, October 1, 2026 · Read the original

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