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In August and Septemberthe first patients were treated with a complete course of carbon therapy for a period of three weeks. It was a starting point of a success story that has led from fundamental research to a widespread medical application. Individual radiation treatment with heavy ions had initially been conducted as early as December This had been preceded by four years of technical development of the therapy unit at the heavy-ion accelerator of GSI, which included a radiation facility for patients, and by 20 years of fundamental research in radiation biology and physics.
Treatment with ion beams is a very precise and highly effective, yet extremely gentle, therapeutic process. The major advantage of this method is that the ion beams, which have previously been brought to very high speeds in the accelerator facility of GSI, develop their strongest effect in the tumor itself, while sparing the healthy tissue that surrounds it.
Because the range of the heavy-ion beam can be controlled with millimeter precision, particles are stopped inside the tumor and can release their energy there in a concentrated burst.
As a result, this process is especially suited for deep-seated tumors that are located near high-risk organs such as the optic nerve or the brain stem. The raster-scan method, which was also developed at GSI and was used in heavy-ion therapy for the first time, enables the carbon beam to cover the tumor very precisely. The radiation dose can be applied to the malignant tumor tissue point by point.
In order to regulate the intensity of the effect, the beam is left long enough at each point to reach the intended dose. This process makes it possible to irradiate very precisely tumors with complex shapes, and it is a great improvement over conventional beam delivery methods.
In the period untilGSI used carbon ion beams to treat more than patients for tumors of the head and neck with great success. This is how he remembers the early years: That became possible only through the collaboration of many disciplines, such as nuclear and atomic physics, radiation biology and radiation medicine, accelerator physics, computer science, to name just a few.
Additional medical applications are also a major goal of the biophysical research that will be conducted in the APPA DatingCafe DE Promo Codes August 2018, which is one of the four major research pillars of the future accelerator center FAIR that is currently being built at GSI.
FAIR can offer new research opportunities for the next-generation DatingCafe DE Promo Codes August 2018 therapy, for example using very high-energy ions for radiography or radioactive ions for PET imaging online. For example, scientists in the Biophysics Department are working on the combination of heavy ion therapy and immunotherapy. They are also investigating the use of ion beams to treat cardiac arrhythmia. Here too, the advantages of ion therapy — extremely precise point-by-point application and optimal protection of the surrounding tissue — can be put to good use.
As a result, in the next few years carbon ions could be successfully used to treat cardiac arrhythmia as a noninvasive alternative to the present treatment with cardiac catheters or drugs.
Another major goal is to treat moving tumors in the inner organs, such as DatingCafe DE Promo Codes August 2018 the case with lung, liver and pancreatic cancer.
The ion beam is Free and easy dating sites very exactly, and for this reason the patients must be held in place with millimeter precision so that this high-precision radiation can be effective.
Current research is therefore searching for ways to achieve the precision and homogeneity that ion beam radiation requires in order to treat moving targets as well as fixed ones. Tumor therapy with heavy ions thus still offers great opportunities for further scientific findings that will enable it to be used even more effectively in DatingCafe DE Promo Codes August 2018 future for the benefit of DatingCafe DE Promo Codes August 2018 patients.
Web page of the lecture series German only. Learn more about events at GSI: GSI is member of. Treatment Facility at GSI. The photo shows the treatment space at the GSI accelerator, where the clinical studies on tumor therapy with heavy ions were conducted. To ensure precise irradiation of the tumor the head of the patient has to be secured in a mask individually produced for each patient.
The tumor is divided into layers. The depth of a layer is adjusted by varying the energy of the carbon ions. Magnetic deflectors scan the beam from left to right as well as up and down on DatingCafe DE Promo Codes August 2018 layer. Talk is in Dating de kostenlos php ALM PLM Integration: Demonstration (16 Minutes) Subscribe to our RSS feed to get the latest news and press releases.
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