By Don Muller


MD Anderson's new tool, the Proton Radiation Pencil is very precise. It has the ability to deliver high amounts of radiation with pinpoint accuracy. This enables the tool to be used while not damaging neighboring tissue. The new proton pencil therapy is fantastic because it merges a very high powered proton beam and pin point accuracy. This allows the highest dosage of radiation only to the spots that need it, while protecting nearby tissue.

Dr. James D. Cox said, "The advantage lies in the beam's capacity to approach the tumor from multiple directions, creating a "U" shape around these structures and avoiding them entirely during treatment." Dr. Cox who is the head of the Division of Radiation Oncology at MD Anderson also said, "Pencil Beam Proton therapy is more like a very fine airbrush. Instead of needing a brass template to define the shape, the proton beam is made ultra fine to conform to the contours and landscapes of the tumor."

This new technique is marvelous in that it can pinpoint areas to radiate, while missing other vital organs just millimeters away. That is the unique problem for dealing with cancer in the lungs, the close proximity of other vital organs. This effectively helps to solve issues that occur because of over radiating healthy tissue in the past.

Despite advances, the long term survival rates of lung cancer remain low, reinforcing the need to expand therapies that offer a greater combination of potency. For radiologists the mantra is, "To Deliver the Maximum Amount of Radiation to a Malignant Cancer Tumor, while at the same time, Protecting the surrounding Good and Useful Tissue from the Harmful Effects of Radiation." Smoking is considered the leading cause of lung cancer. According to the American Cancer Society, an estimated 222,520 new cases of lung cancer will be diagnosed in 2010.

According to the American Cancer Society, an estimated 222,520 new cases of lung cancer will be diagnosed in 2010. Many of these new lung cancer cases are thought to be related directly or indirectly to smoking. Smokers are urged to stop smoking to protect themselves and their families from the possibility of cancer. Despite advances, the long term survival rates of lung cancer remain low, reinforcing the need to expand therapies that offer a greater combination of potency.

It is the first Cancer Therapy Center in North America to treat cancer patients with the new Pencil Beam Scanning Technology. MD Anderson's Proton Therapy Center, in Houston Texas, began treatments on cancer patients in May of 2006. In addition, it is the first Cancer Center to use the Pencil Beam Scanning Proton Technology on lung cancer patients.




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