Particle Therapy Co-Operative Group

An organisation for those interested in proton, light ion and heavy charged particle radiotherapy

Statistics about patients treated with particles (update)

Per end of 2021 about 325'000 patients have been treated worldwide with Particle Therapy,
close to 280'000 with protons, about 42'000 with C-ions and about 3'500 with He, pions and with other ions.

PTCOG Patient Treatment Statistics (restricted access)


PTCOG LinkedIn Group reached 2300 Members!

Do you know that PTCOG manages a Group on LinkedIn dedicated to those interested in proton, light ion and heavy charged particle radiation therapy?

Visit and ask for memebrship here!


More than 4500 PTCOG Members per end of 2021!

PTCOG has reached more than 4500 individual Members from 75 countries and 84 Institutional Members from 23 countries per end of 2021.


Herman Suit, pioneer of precision radiation and proton beam therapy dies at 93.

The community of particle therapy is saddened by the loss of Herman Suit, clinical pioneer and promoter of proton radiation therapy and first Chairman of the PTCOG.Steering Committee in 1985.

The Cancer Letter


Particle Therapy Literature

Visit the Particle Therapy Literature Website to get an update (2022) of Books on Particle Therapy.

PTCOG Website on Particle Therapy Literature


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