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Temple muscle size did not predict survival in older brain cancer patients

Original title: Association Between Temporal Muscle Thickness and Survival in Older Patients With Brain Metastases Undergoing Radiation Therapy.

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 past patient records, not a test of a treatment.

The short version

The size of a muscle near the temple did not predict how long older patients lived.

What was studied. Doctors looked back at records of 249 people with cancer that had spread to the brain. All were 70 or older and had radiation. Their temple muscle was measured on head CT scans.

What they found. By 1 month, 35 of the people had died. By 3 months, 125 had died, and by 6 months, 178 had died. A thin temple muscle at first looked tied to a higher risk of dying at 3 and 6 months. That link went away once other health factors were counted.

What this means, and what it doesn't

What it could mean: A thin temple muscle on its own does not tell doctors how long an older patient will live. Doctors still need to look at the whole picture of a person's health.

What it doesn't mean: This does not mean a thin temple muscle is safe or harmful. It is not a treatment, and it is not a cure. This was a look back at old patient records, not a trial. It does not change the care you get today.

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

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