Re: Question Regarding Accelerator Radiation Therapy

[alstonchris@netscape.net]

Yes, and the *electron* beams available can run to >20 MeV.  With the higher beam energies one can give, e.g., a lung-sparing boost dose to the ribs, adjunctive to a total body irradiation (TBI) or a total marrow irradiation (TMI) by photons.



To take the thread just a smidgen further, please note that many medical linacs are dual-energied, for photons.  E.g., one might typically run a machine to give a 10 MV beam, but it can be re-tuned to, say, 18 MV.



Cheers

cja





"Ross Brown" wrote:

>Most modern accelerators have a retractable target so that it is possible to extract the electron beam directly. This is useful for certain types of

>tumours near the skin surface.

>

>Ross Brown

>(613) 825-3398

>ross.brown@sympatico.ca





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