Computer measures of brain MRI scans were not steady over time
Original title: Longitudinal Evolution of Radiomic Features in Radiation-Induced Necrosis During Follow-Up of Brain Metastases: A Pilot Study.
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 was a small look back at scans people already had, not a test of a treatment.
The short version
A small study found that computer measures taken from MRI scans shift a lot from scan to scan.
What was studied. Researchers looked back at 40 spots of brain damage caused by radiation treatment. The damage followed radiation for cancer that had spread to the brain. Each spot had three MRI scans over time.
What they found. Seventy-six of 107 computer measures held up when the outline of a spot was changed a bit. But the measures still shifted a lot from scan to scan. This happened even when the same MRI machine was used.
What this means, and what it doesn't
What it could mean: Doctors use MRI scans to watch this kind of radiation damage. This study says computer measures of those scans may not be steady. Care teams should check that a measure is reliable before trusting it.
What it doesn't mean: This does not change your care today. It was a small pilot study that looked back at scans people already had. It did not test any treatment, and it is not a promise of a cure. Tools like this are still early and need much more testing.
Source: PubMed, July 26, 2026 · Read the original
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