Release date: 2009-12-29
According to informal statistics, the world has a large number of new cancer patients every year. As the most populous country in the world, there are millions of people suffering from cancer diseases in China...
For the treatment of tumors, the current methods can be roughly summarized as surgery, radiotherapy and chemotherapy, which are complementary to each other. However, 70% of cancer patients, whether surgery or not, need radiotherapy to participate, and it is predicted that radiation therapy will remain one of the most important methods for treating tumors in the next few decades.
As the most advanced radiotherapy method in the world, the proton therapy system is gradually entering the field of vision of Chinese people. In order to make the people better understand the "proton therapy system", the director of the International Proton Therapy Collaborative Committee and the director of the Proton Cancer Treatment Center of Wanjie Cancer Hospital, Li Jiamin, chief physician.
Fifty years of development towards maturity In 1992, the LomaLinda University Medical Center (LLUMC) in the United States used a medical proton device to declare proton therapy officially entered the medical field. So far, the medical center has treated more than 9,800 patients and achieved good results. Clinical effect.
In 2002, Wanjie Tumor Hospital invested heavily in the introduction of the world's fourth, China's first proton therapy system. Subsequently, Li Jiamin, the director of the Proton Cancer Treatment Center of Wanjie Cancer Hospital, and five other experts went to the Massachusetts General Hospital (MGH) affiliated with Harvard University to participate in the six-month training, from the basic theory of protons to the specific application of the clinic. Let the experts of Wanjie Cancer Hospital master the most advanced international technical requirements.
The only proton therapy system in the country There are currently four proton therapy systems in the world. "In addition to the LomaLinda University Medical Center (LLUMC) in the United States, the Massachusetts General Hospital (MGH), and the National CancerCenter in Japan, the Proton Therapy System at Wanjie Cancer Hospital is the fourth and the only one in China. Li Jiamin said.
Advantages of good physical properties Protons have good physical properties and their energy can be released in the form of Bragg. "Because of entering the human body at a very high speed, the chance of interacting with normal tissues or cells in the body is extremely low. When it reaches a specific part of the cancer cell, the speed suddenly drops and stops, releasing the maximum energy, and the Bragg peak is generated (Bola) Gefeng) kills cancer cells in an instant and effectively protects normal tissues. Modern medicine can easily control the dose release point of protons, and artificially control the direction and location of energy release through automation technology, which significantly improves the treatment of tumors. Efficacy," Li Jiamin said.
The research on proton therapy for cancer has continued. The medical experts represented by Director Li Jiamin have published the research results in relevant domestic journals. In some magazines in the United States, Professor Zhang Yuxi's article on proton therapy for lung cancer has also been published.
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