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Proton therapy after surgery for a rare tumor called solitary fibrous tumor

Original title: Clinical outcomes and quality of life after proton therapy for cranial and extracranial solitary fibrous tumors.

How far along is this research?

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

This looked back at a small group of patients already treated, so it is not firm proof.

The short version

In this small look back at 17 patients, all were still alive, and most tumors stayed under control.

What was studied. Doctors at one hospital reviewed the records of 17 patients with solitary fibrous tumors, which are rare cancers. Each patient had surgery and then proton therapy, a focused kind of radiation. Most of the tumors were in the head.

What they found. All of the patients were still alive. At 5 years, the tumor was still under control in 81.8% of them. Side effects soon after treatment were mild, but two patients (11.8%) had a serious side effect later on.

What this means, and what it doesn't

What it could mean: Proton therapy may help hold these rare tumors in check after surgery. In patients with tumors in the head, day to day well being stayed about the same over time. Even so, serious late side effects can happen when treatment is near the brain or spine.

What it doesn't mean: This is not a cure, and it is not proof that proton therapy is the best choice. It was a look back at records from only 17 patients at one hospital. No other group was compared, so we cannot say it beats other kinds of radiation. The doctors call these results early.

Source: PubMed, October 26, 2026 · Read the original

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