Learn about how Cesium-131 by Isoray is being used in radiation treatment.

Doctors around the country use Cesium-131 by Isoray to treat a wide range of cancers.


Over 10,000 patients treated.

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A novel approach for radiation delivery.

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An innovative solution for recurrent cancers.

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Head & Neck

Delivering personalized radiation to tightly controlled areas.

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Customized individual cancer treatment.

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Breakthroughs in brachytherapy by Cesium Pioneers.

Doctors across the US are using Cesium-131 by Isoray in powerful ways with great outcomes. Check out their work.

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The ability to deliver high concentrated radiation treatment in a tightly controlled area at the time of surgery really allows us to customize and individualize cancer treatment for our patients.

Dr. Adam J. Luginbuhl, MD

Otolaryngology/Head & Neck Surgery - Head & Neck Cancers, Thomas Jefferson University Hospital