Proton Therapy

by S. Ternier.

Cancer is the second major cause of death in the developed countries. Cure from cancer is nowadays achieved for about 45% of all cancer patients using the currently available therapeutic strategies: surgery, radiation therapy and chemotherapy. When a tumor is detected in its early stages and still well localized, the use of local therapies like surgery and radiation therapy offer the patient a reasonably good chance of survival and cure. It is obvious that in such cases screening plays an important role in the early detection of the tumor. Although improvements in surgical techniques have not reduced the utilization of traditional radiation therapy, the preferred therapeutic choice remains the radical surgical excision of the disease. Surgery is the most successful therapy since it contributes 22% to the overall cure rate. Radiation therapy (RT) is the second most effective modality. RT is used with curative intent when the tumor is inoperable but is still well localized in a specific region of the body. RT contributes 12% to the cure rate alone and 6% in combination with surgery. [via]

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