Second Ca Risk Lower With Protons vs Photons

(00:04:40) Elsevier Global Medical News, 2008 Oct 1, N Osterweil

Dr. Nancy Tarbell is from Harvard Medical School and Massachusetts General Hospital, Boston, and Dr. Thomas Delaney is from the Northeast Proton Center at Massachusetts General Hospital.

Proton beam irradiation therapy appears to pose a lower risk of producing radiation-related second cancers than does standard photon-based radiation therapy, according to a retrospective study of over 500 patients. These findings confirm the physical advantages of protons, which do not travel as far in the body as do x-rays and thus expose less normal, unaffected tissue to radiation.

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