Old leukemia came back as a brain mass that looked like a common tumor
Original title: Intracranial extramedullary relapse of acute myeloid leukemia presenting as myeloid sarcoma mimicking meningioma: a case report and literature review.
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 is a report about one patient and a look back at past cases, not a new treatment being tested.
The short version
In one woman, a brain mass that looked like a common, slow-growing tumor turned out to be her past leukemia coming back.
What was studied. Doctors report on one patient. She was a 61-year-old woman whose blood cancer, acute myeloid leukemia, had been gone for four years.
What they found. She came in after two weeks of being less responsive and withdrawn. A brain scan showed a mass on the left side of her brain. It looked like a meningioma, a common and usually slow-growing tumor. The mass was removed, and tests on the tissue showed it was made of leukemia cells. She was sent for chemotherapy that treats the whole body.
What this means, and what it doesn't
What it could mean: If you have had acute myeloid leukemia, a new brain mass may not be what it first looks like on a scan. This report suggests it is worth telling your care team about your leukemia history, even if it has been years. Getting the right answer can change the treatment. The doctors here say this kind of mass is treated with leukemia therapy, not surgery alone.
What it doesn't mean: This is a report about one person, not a study of a new treatment. Nothing here was tested in a group of patients, so it does not tell us how often this happens or what works best. It is not a new drug, and it is not a promise that leukemia in the brain can be cured. It also does not mean a brain mass in someone with past leukemia is usually this. These masses are rare, and only tests on the tissue can tell doctors what it really is.
Source: PubMed, July 10, 2026 · Read the original
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