Hitachi -Hybrid Particle Therapy System
Hitachi provides a Hybrid particle therapy system which can irradiate both proton and carbon-ion from one accelerator.
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- Through a comparison dose distribution of proton and carbon-ion, a particle most suitable for individual patients can be selected.
- From the aspects of gathering patients and reimbursement model, hybrid system can be more advantageous than carbon-ion system since there are countries which offer reimbursements or government support for proton therapy only.
- Proton and Carbon-ion Therapy both have its advantages.
- Many pediatric cancers are treated with Proton therapy.
- Since the biological effects (RBE) of x-ray and proton are almost equivalent,
the knowledge of conventional x-ray radiotherapy can be used for proton therapy while the dose concentration can be further improved, reducing side effects. - Carbon-ion therapy is expected to be effective against cancers which are resistant to conventional radiation therapy such as sarcoma and adenocarcinoma, locally advanced cancers, and deep-seated cancers.
- Carbon-ion radiotherapy requires less treatment time than conventional x-ray radiotherapy and proton therapy, reducing the burden on patients and medical staffs.