Interview topics: Gamma knife cut off the tumor really do?
Interviews with guests: The Second Artillery General Hospital, director of radiation therapy centers
interviews with more than flying: 2007 12 14 15:00 m16: 00
Please comment at the users leave behind your question, the expert will answer it!
kinds of radiation physics of modern finance, radiation biology, medical imaging, computer, intelligent automation, and other subjects in one category to the treatment of human diseases, mainly of large high-tech brain stereotactic radiosurgery equipment. With the continuing incidence of cancer rose, treatment is more and more, and that gamma knife treatment in terms of how the tumors, which tumors can be treated with gamma knife do?
this, Sohu invited the Second Artillery General Hospital, the health center more than radiotherapy Flying Officer guest expert interviews, the users have to explain to the knowledge about the gamma knife.
interview about the subject today is about the gamma knife treatment of tumors, we all heard the knife, all aspects The all heard how on the Gamma Knife treatment of tumors and eliminate the magic. in the end gamma knife treatment in tumor specific situation is what, today we go to the Second Artillery General Hospital Radiotherapy Center, Professor Ren Yufei guest expert interviews, the knowledge to talk about the Gamma Knife, first with Professor Yu friends say hello.
I fly: netizens Hello everybody, I am the Second Artillery General Hospital Radiotherapy Center Director.
Moderator: They said that the Gamma Knife is the knife, the knife is not really true, is a cancer radiotherapy, interviews started, a brief introduction Chairman Yu Gamma Knife works, how to treat the disease, and its development?
I fly: Gamma Knife in the last decade or so, better medical technology occur. In the current domestic development was very good, while the technology because of its relatively short history, to understand recognition is not too much to take this opportunity to introduce the basic principles and history of Gamma Knife. Gamma Knife technology is the first Swedish Professor Ai Ruisen basic concept proposed in 1951, designed in Sweden in 1968, the first head Gamma Knife, the domestic production in 1995, the first gamma knife, the knife in Sweden on the basis of innovation and improvement. It features a knife blade and Sweden have similar places, also has a unique place, which is basic historical situation. Overall, the Gamma Knife is divided into two major characteristics of the basic principle is to focus and rotation, which is technical characteristics of the two gamma knife.
the Second Artillery General Hospital, director of radiation therapy centers to fly more than < br> Moderator: It is not to use radiation to kill cancer?
I fly: accurate to say that the school, said called the Gamma Knife stereotactic radiosurgery system, is three-dimensional radiation therapy, radiation and other radiation than conventional methods are unique place, is the precise radiotherapy.
Moderator: that emit gamma rays to kill cancer. just mentioned focus, what is this concept?
I fly: traditional radiation therapy, such as Like ordinary light, the scope is wide, normal tissue and tumor tissue are subject to irradiation, the thickness of the human body organized as the depth increases, the organization will decay, we need to increase the dose of each unit, can only increase the radiation dose, radiation dose after , normal tissue will be damaged, tumor tissue as deep, relatively speaking, a dose of less than, in order to solve this problem, such as electric lighting, through cross, cross-almost on the high dose. analogy, the tumor through the head, through the According to his forehead into a dose, the dose Gamma Knife is 2 Gy, the tumor was 1 Gy, which is commonly used dose units, according to go in through the skin, according to the lesion, that is a gray, this dose is not up? amount of dose to normal tissue damage. is through the two-ray, can achieve two Gy, or 1 Gy of local radiation, which is the easiest way to cross. Gamma Knife is not the same , Gamma Knife is a very small wire-speed, 42 by the amount of cone beam line focus, such as my five fingers, five rays, to a point is the focus, the dose is especially high, but the skin is the same point, the normal organization can accept. The second feature is the rotation, each of two points on the skin can accept, I will by rotation, subject only to normal tissue irradiation moment, the focus on the more, this is the knife's features. Sweden's head round knife is 201, that is, 201 beam radiation, is relatively high. the country is 42 beam, more important than the lower, by rotation, does not know how many bundles of the rotating blade knife called dynamic knife, knife abroad than static, ray beam is 21, I was 42, beam rotation, constant dose of focus, each of normal tissue irradiated only by the moment, the organization is able to withstand, through increased focus and rotating the dose lesions, tumor necrosis, effect by the normal tissue dose, instantaneous exposure time will not be damaged. This is the basic principle.
Moderator: the equivalent of a lot of rays are focused to a point, resulting in a high-capacity, killing the tumor.
I Flying: the amount of the focus areas is particularly high, gamma-ray energy to kill any tumor, but it also caused the killing of tumor tissue to normal tissue injury, which is to be avoided, the pursuit of our modern high-precision radiotherapy, high doses of lesions , the lowest normal tissue exposure, to achieve this goal.
Moderator: such as brain tumors are growing on the body, how do you determine the focus of radiation on the tumor must do?
I fly: Learning, said call Focusing stereotactic lesions in the position of a space, we give the patient a coordinate system is three-dimensional coordinate system, the head gamma knife has a metal frame, it gives the patient a Cartesian coordinate system, XYZ direction, you know focus space, this data came out, by CT scan, you can see my computer system to determine the lesion from the spatial location, body gamma knife frame with the body, but also the same token, one is positioning , scan the data to the computer science, spatial orientation, to settle down.
traditional focus Gamma Knife treatment
schematic diagram
Moderator: Gamma rays by a computer.
I fly: Location came out, you can find the location in space, I appear, the focus where you can find out, you can count out.
Moderator: One more question, users are more concerned about. Many Gamma-ray together, the tumor is irregular, with large, small, and gamma knife treatment of how to ensure the tumor is killed.
I fly: I radiation and scope of the tumor shape to be consistent, the Gamma Knife has collimator, the width of my ray how much appear, my ray of 4 mm in diameter, 8 mm, 14 mm, 18 mm, the width of the range of collimator so big, hit 14, the collimator 14 to you. If the lesion is large or deformed, spherical or cylindrical me, what form of radiation spots, the film can see it, is oval, round, another type is a round pie. If the lesion is small, a ball, I just give a ball, if it is cylindrical, and the round biscuits string together to form a small tranches to stacked up. with a jargon is used in filling, put the equivalent of bamboo basket and eggs, an egg an egg up my stack, all filled with the focus of my exposure to form the same shape.
Moderator: users ask questions, said many of which are invasive cancer tumors, this approach is not suitable for gamma knife.
I fly: I am a round or irregular infiltration infiltration infiltration round I say a point is a plus point up, irregular infiltration, often run the digital type, what word could play out, a bit like a small light, I was the focus stack, this area can be achieved Gamma Knife.
Moderator: as a general tumor surgical treatment, will do extensive resection, such as not get clean, tumor recurrence is a very troublesome thing, there is no other knife that coordination, such as the main part of the tumor kill, and then the other way?
I fly: Gamma Knife technology is very fast, there is a major reason, one is the improvement of imaging technology, imaging technology clearly shows that 5-3 mm tumor margin less able to see, to draw the disease is What forms. infiltrates the scope can see, I painted directly. Also see through the surgery, tumor resection off, surrounded expand the scope, in order to avoid I can not see the tumor, the better realized in the Gamma Knife because I've seen after the lesion, and then to be judged, there is a CTV, PTV, GTV is the original lesion morphology, CTV is the judge to see the shape of the surrounding part of expansion plans, there is a plan according to the PTV range, the range is drawn directly, such as lesions can be released three millimeters, around five millimeters in the lesion, the computer forms a painting on their own, which is more convenient than surgery, because surgery is limited, Gamma Knife is that I can see, CT, on can see, by focusing on the way, low pressure way to fill the way, this part of the fill, one by one to play.
Moderator: Computer technology is very advanced, we have to be carefully observed.
I fly: the development of computer technology to promote the gamma knife, I scanning in the future, calculated by the data accurately reflected the lesion. Second, I use a computer, can draw a very clear focus the lesions drawn, surrounded the spinal cord, spinal cord drawn by computer three-dimensional visual display. Another is a gamma-ray radiation, to treat depression, is not the same for each moment, each of recession can be calculated, how much weight is given , can be calculated by computer. Gamma Knife is a focus, the focus is the highest around, I can see the exposure of this region which organization, the organizations of what dose of radiation. for the protection of normal tissues, in respect of more accurate can not estimate how much as before. So the computer? Mary also contributed to the Gamma Knife application development itself.
common types of domestic knife body of one of the first Gamma Knife
Super Moderator: What are the tumor using Gamma Knife technology is more mature?
I fly: Gamma Knife Gamma Knife is a versatile, both can do the head, the body can do, compare the scope of the head gamma knife treatment wider, such as benign tumors, including meningiomas, pituitary tumor, which is part of. malignancies, brain metastases, brain tumors reproductive system. head gamma knife treatment of partial epilepsy patients can be treated also. body range wider, and now with more than the first lung cancer, lung cancer into three main categories, one is cyclical lung cancer, peripheral lung cancer, lung metastasis, there are also indications of thymoma, but also with more than. The second is the digestive system of liver cancer, pancreatic cancer, liver cancer, which is more than. III renal cell carcinoma, metastatic adrenal tumor, respiratory system, digestive system, urinary system? their indications. other cases, such as cervical, cervix, bladder, mainly cervical cancer or by cancer recurrence after surgery, but also indications. Overall, the body gamma knife is wide application range, while the transfer of bone tumor is also indication.
Moderator: Chairman Yu introduced to a variety of gamma knife treatment are applicable, the Second Artillery General Hospital Radiotherapy Center has done more in what it?
I fly: our center is the device In Beijing, the center of more head devices, we have the head gamma knife, a body gamma knife, gamma knife has a head body, as well as linear accelerators, as well as hyperthermia. This is a treatment center, we are under the actual situation of the patient to choose. body gamma knife done the most is liver cancer, lung metastasis, lung cancer, bone cancer, pancreatic, these four categories are more certain.
Moderator: Can you give some more Typical examples, such as the typical example of lung cancer.
I fly: Give a liver,, Gamma Knife is a precise radiotherapy equipment, is an advanced technology, but technology is not a panacea, my advanced technology is not advanced to what can cure diseases. make a example, this medicine can cure all diseases of the medicine is not medicine, there are indications for Gamma Knife, the need for the doctor to take it. When it publicity it has its characteristics, as a doctor scientific mind is to look at, make appropriate recommendations to patients, it is our job.
cite a case of liver cancer. We have a sick side by CT scan, by pathological cases, is the center of the liver tumors, about 10 centimeters, when patients choose Gamma Knife, made a knife about a month later, the patient is not assured because of new technologies, surgical development of a hundred years of history, the history is Gamma Knife short, less than half a century, about a decade in the history of China, he is not assured, to a hospital surgery, and had surgery after the pathologic taken down, do biopsy to see the destruction of tumor cells , necrosis, and inflammation around the treated area has some reflected by pathological examination confirmed the death of the hepatoma cells do. There have been in the lungs, here normal tissue, normal tissue is not cancer?, after the tissue damage , the performance of the pulmonary fibrosis, are common in thoracic surgery.
Moderator: incidence of lung cancer in China, ranked first, and are all very concerned.
I fly: cancer treatment in the world still a problem, or called for a comprehensive treatment of cancer treatment, at present we have more history of the three treatments, the first surgery, radiotherapy second and third chemotherapy, in addition to this there is a new addition to technology development, such as immunotherapy, cell therapy, biological therapy, traditional Chinese medicine, this is therapy, the current direction is dominated by three categories. There are also exploring new technologies, in addition to lung cancer therapy, Gamma Knife indications, from the pathological classification of view , divided into two categories, small cell, non-small cell, non-pathological features of these patients, as a selective treatment. such as small cell lung cancer are particularly sensitive to chemotherapy, radiotherapy is also sensitive to claims of such cells do first two to three cycles of chemotherapy and further radiotherapy? the control of local, prevent systemic metastasis, small cell lung cancer has a characteristic prone to early metastasis, chemotherapy, this time need to control the body, such as when large lesions, chemotherapy control is not too good, then place through the gamma knife to kill residual, which is called small cell lung cancer. non-small cell generally less sensitive to chemotherapy, choose a different way, you can select the appropriate chemotherapy can also be directly from the gamma knife treatment. adenocarcinoma, we have a number of relatively poor sensitivity, but there is a characteristic gamma knife, through the focus, the focus of particularly high, but also to achieve better results
.
Moderator: There is no research in this area what?
I fly: the present study cases, after treatment by our some more literature, we made a data. current five-year survival rate of tumor surgery, the survival rate for three years, I had the surgery after the Patients were followed up for a few years living through, this is survival, which is to assess the effect of surgical treatment, are now often used when the assessment of lung cancer called non-small-cell evaluation, surgery can achieve what is status quo, a five-year survival rate of up to 55% to 70%, the first phase of lung cancer by surgery, five years survival rate of 55% to 70%. two by surgery after the five-year survival rate of 30% to 50%. knife to a three-year survival rate 91%, the second five-year survival rate of 64%, three-year survival rate can reach 21%, is three. We compare the two most five-year survival rate of 64%, the second phase surgery can now 33% to 50%, is essentially similar. We are non-invasive technology, if technology can be achieved through non-invasive technology, the survival rate of invasive, it is quite acceptable. your risk from surgery, your surgery to anesthesia , surgical bleeding, the risk is much greater than we are.
Moderator: There are relatively large as the age, can not afford.
I fly: We called surgical contraindications or relative contraindications, such as patients with heart , diabetes, blood diseases, we must select the gamma knife, while some patients do not want surgery, gamma knife is also an option.
Host: Gamma knife treatment of cancer has no size limitations, can not be missed much Gamma Knife?
I fly: There should be a limit, generally speaking the smaller the tumor, the treatment the better, less recurrence, the higher the dose the higher tumor cell killing, generally speaking, Excellencies assigned to five centimeters is an ideal, more than this limit, to a large number of surgical patients, three cm below the particularly good, like gamma knife can give each dose of five to ten units, done five to eight times to complete, and the general course of ten days about to complete treatment, and also once a day.
Moderator: How long is the duration of each?
I fly: as our treatment of the exposure time, now is the Gamma Knife dose 3 Gy per minute treatment center placement, about a twenty minutes. such as the superiority of the head, head first irradiation is complete, this morning, the afternoon surgery, and do not need the hospital.
Moderator: Many people are concerned about side effects of radiotherapy, such as ray photos have been after, will not cause other conditions, such as dementia and brain damage?
I fly: We do the treatment, everything has split into two, as The doctor is concerned, try to avoid weaknesses, the advantages of using it to reduce its shortcomings, by focusing on reduction of gamma knife technology. Now there are three types of radiation therapy technology, ordinary radiotherapy, linear accelerator, gamma knife, there are features. radiotherapy as an ordinary light direct accelerator is a cross, by focusing and rotating gamma knife. The three technologies, the focus of Gamma Knife is the highest dose, the surrounding tissue damage is minimal.
Moderator: three radiotherapy techniques to the current said, or gamma radiation-induced side effects as the minimum?
I fly: so to speak. radiotherapy for longer than normal, which is superimposed a small ball, according to the later, normal tissue recovery, according to me has always been According to down, low-dose tissue, normal tissue can be restored, tumor tolerance is low, to kill, it's a long time. Gamma Knife in these techniques is the shortest, because the principle is different. Gamma Knife is also a Vice-injury, such as frequently encountered by radiation after the common nausea, vomiting, conventional radiotherapy is a common side effect to these types of comparison, the Gamma Knife to be less, the occurrence of low, patients can withstand.
the Second Artillery General Hospital, director of radiation therapy centers to fly more than
Moderator: users are more concerned about side effects of radiation, he feared the radiation pneumonia caused by previous radiotherapy, gamma knife you have this risk?
I fly: Gamma Knife is also a risk, though by focusing on, and if a large lesion, lesion is large, each unit must be given to the range on the wide, wide range, we took after the entire tumor shrinkage, lung tissue will also be on the dry, the first to grasp the size of the tumor not to do too much, and the second control dose, dose I can do what, I spread the range in which it is calculated as a doctor to accurately planning the dose and the area of disease. from the range of terms, a large area better, according to the scope of the so-called, may have the potential to kill tumor, but all killed, but also fibrosis of the lungs, pulmonary function was affected.
Moderator: reflection lines as the cause of lung cancer in about how much?
I fly: 5% to 10%. With improvements in technology, knowledge of the disease and prevent the strengthening of the complications will be reduced, which requires medical workers to work hard, or do these doctors to work on gamma knife.
Moderator: Just now you mentioned the direct normal radiation and accelerators, as well as gamma irradiation characteristics of each of their three , in addition to various other principles, which have a simple comparison of the three?
I fly: Gamma Knife center operations we also have a direct accelerator, but also ordinary radiotherapy, these three techniques has its own characteristics, not to say who is good Who is not good, if I have a brain metastasis, which I saw through the CT, often run into the head by two or three tumor lesions can see, but there are small lesions, or you think you can not see When one mm, two millimeters that play is not worth using gamma knife. The need for radiotherapy with gamma knife and the general, large lesions with a gamma knife gamma knife directly hit the small lesions ordinary radiotherapy, because he According to the past as directly as incandescent lamps. now part of the tumor metastasis to claim first use a large knife to fight, then ordinary radiotherapy, can not see the invisible, or small tumor image hit,? the patient's life or delayed relapse.
Moderator: The latest progress mentioned in radiotherapy, conformal radiotherapy How?
I fly: lesion is a triangle, it is necessary according to the triangle, hit a triangle, the lesions are round to made of round, the concept is called conformal. accelerators speak directly to the basic principles, but also X line, while checks at the hospital, the doctor wearing lead clothes, through the computer, a photo by CT after the tumor to see what you form, is a square, round and irregular shape, the doctor made of lead block, makes up a chart quickly, according to the time into what the map quickly, this is a simple principle is conformal, we see that it is two-dimensional plane, each point is different, and I in three-dimensional conformal point of view it is called three-dimensional conformal. This is not the same point and the Gamma Knife, Gamma Knife is a point together, add up to the same form the.
Moderator: What is IMRT?
I fly: is based on dose adjustment, which is a basic principle.
Moderator: each corresponding to what is the treatment of tumors, such as IMRT is more suitable for What, what kind of knife is more suitable?
I fly: the small lesions, the focus of a point is best if the range is relatively large, shape is not regular, you can rely on linear accelerators, this one all to a photo on, the Gamma Knife is a little bit together, including planning a fairly long time. There is also a feature of the focus because I was focused, 100% point in the particularly high doses, even. linear accelerator as the beam of light Like it even more than we. This is its advantage. in the choice of indications, when different, the doctor should be considered under the circumstances.
Moderator: the cost of their treatment and how the?
Yu Fei : treatment effect, we are the radiation, as long as the tumor sensitive, able to control tumors. in terms of cost, should be said to be cheaper knife to the Beijing area. dimensional conformal about thirty thousand, if the conformal Canada IMRT is about fifty thousand, and gamma knife less than twenty thousand.
Moderator: identify the indication, with the gamma knife to do, from the effects and cost are advantages. look at the problems users.
User: I am 24 November 2005 to do in the West China Hospital of Sichuan, TIF cancer, was forced to divert due to adhesions, 3 * 3.6 cm tumor was not removed so far have been more than two years after 9 of chemotherapy, 30 second radiation. now CEA is a normal value of 2.71. Can I remove the tumor can you Gamma Knife?
I fly: Gamma Knife technology has its advantages, but also unsatisfactory, such as hang a cavity not satisfied with the place, the first is to locate, if it is intestinal tumor, intestinal peristalsis, can not be accurate. rectum is relatively fixed, unlike some of the small intestine are more changes in the large intestine. The patient has some features of his nine chemotherapy has been done, and now with the gut together, Gamma Knife has a high percentage, it is non-uniform dose distribution, if the rays hit directly on the gut or the core point, the risk of intestinal perforation may occur, which and the general situation, and so linear accelerator radiation therapy, he can consider this point is the distribution of concentric circles.
users: ever heard of the total hospital information Wanjie this, I think this thing is a lie of it. it really so God? < br> I fly: Gamma Knife is a more accepted technology, but to see how application of this technology. We must grasp the doctor indications, what is the relative indications, what is contraindications, we call norms, particularly the development of the current Gamma Knife Well, also there are some non-standard place, this relatively short history, some indication, he said, other factors, we in the treatment process may take some adaptation on the inside is not standardized, for the October 2007 will be called once the first Gamma Knife China Academic Technology Forum, in this conference, brought together experts, including the Gamma Knife in the manufacturing of medical experts and experts in a discussion, one is the industry manufacturing standards, which is another indication that gamma knife, which? avoid disease, we discuss and make discussion paper, these are clearly defined contraindications, which are indications, there are at present not clear. by academic exchanges, a large number of cases put forward a proposal this is no indication or indications, to do a process technology. Now a decade of history, which is not a disease indication, do not do, from an implementation of a start, I do not do, I make a look, I do it a few years, no, the patient's life to you, we take this as the first, we continue to sum up, academic discussion.
Host: Gamma Knife treatment be standardized, Tandao academic work has been done in the specification. in the treatment of patients when they need to pay attention in the choice of what method?
I fly: We focus on basic principles, or to the formal, state hospital, I think this is better , a number of science. These hospitals require relatively high, the doctor's grasp on the indication of the relatively high number, do a bit better.
Host: Gamma knife treatment you have a regular hospital?
I fly: Currently, the Gamma distribution in the country is not too balanced around the country about 160 gamma knife, Beijing, I know there are 4 sets of body gamma knife.
Moderator: General Hospital of Second Artillery about the number of patients treated each year with the Gamma Knife treatment?
I fly: now, probably do dozens a month.
Moderator: This country does?
I fly: in the country for the development of faster, more comprehensive because we center equipment.
Moderator: can not simply talk about the future direction of development of gamma knife?
I fly: Gamma Knife as precise radiotherapy techniques, is currently seeking radiotherapy precise positioning, accurate treatment, the lowest damage, which is a direction. Gamma Knife technology is currently found in this direction. we encounter cases the lesions are relatively large or relatively poor condition of patients, if we higher health check done, do more, the early detection of tumors, gamma knife technology should be said that the development of better, more opportunities to extend the life of the patient, such as making a right lobe of the CT, to early detection of cancer the brain will be able to see a centimeter, there is a 50-year-old woman, originally from out of our hospital, patients seen in our case, turned a full circle or in our hospital, was shot to send cell lesions of the CT shoot , made a knife. It? suddenly lean 20 kg, 30 kg, under a particularly severe, a few months, her husband was a medical student, he said definitely not, but can not find to do CT, a circle is still our hospital, took a CT, a Gamma Knife in our hospital, is the organization of adrenal tumors. Now, when we found that the tumor we all know, are in advanced clinical tumor, the patient developed symptoms, and transferred only to see if the early detection of primary lesions, our treatment will increase the level and survival rate.
Moderator: promotion of tumor three more treatment, the patient had cancer after the first of these three treatment, if for not good, think of Gamma Knife, in fact, aspects of gamma knife is in the early detection has an advantage?
I fly: gamma knife treatment of technology, do physical examination, such as the two of us, we regularly check-ups, we now check for a relatively less satisfied with the place, because our machines are not good, we have to do routine blood examination, electrocardiogram, physical examination by a doctor, touch the liver and spleen, are relatively simple Check. a little discomfort consultant, give you advice, doubt it, the high-end examination is necessary, to early diagnosis of disease, early treatment of disease, is to extend life, but also reduce our medical expenses, should be like this.
Moderator: the scope of treatment can then forward some. clinical understanding of the Gamma Knife is also a need to improve.
I fly: a technology development, continue to be recognized, such as gamma knife, the first development We think that is a radiotherapy, not trust. through the bulk of the patient came out, that this thing is still recognized. Another is the conflict between each of the subject, is has the relationship with, such as your surgery, do large lesions surgery chest area of the tumor, major vascular surgery to cut end, cut clean and more difficult, and this part of the knife to do so through the computer can accurately see, this is good. We often do the head of the tumor, which tumors after conventional surgery down, prone to facial paralysis, the risk is relatively large, single gamma knife done, lesions may occur when a large number of brain swelling, cerebral edema, swelling caused by the patient could not pass this off? Division meet up , standing next to a risk of nerve do not do so knife to do, together, for patients, better, lower incidence, less accidental injury.
Moderator: Today's interview time is limited, Finally Chairman Yu introduce the time and place of visits.
I fly: Xin Jie Kou Wai Street, Second Artillery Hospital No. 16, a little more where the logo is the opposite or Xiaoxitian Beijing Normal University will be able to see, to sit Metro and get off at the Jishuitan general on Monday, two, three, four, five have a clinic. In addition to meetings and special exceptions, but generally will adhere to the patient.
Moderator: This concludes today's interview, very Thank you Chairman Yu's friends to visit our concerns and today's theme is gamma knife you can really eliminate the tumor, it should be possible, sure, but to choose well. Thank you friends!
I fly: Thank you, Moderator Thank you friends
experts:
Yu Yu Fei Fei, director
Gamma Knife Center, director general physician, graduated from Sichuan in 1981, North Sichuan Medical College, worked in general surgery and neurosurgery accumulated a wealth of clinical surgical experience. head gamma knife after the introduction of the domestic, is the first gamma knife in the head, one of the experts in clinical work, the latter involved the whole body gamma knife treatment of intellectual property systems development, enhancement work, and, through personal action practice, and made a lot of creative suggestions for the theoretical study of the gamma knife treatment for physical characteristics of Chinese treatment is effective and safe dose of the standard dose, the actual practices of the development of outstanding contributions.
application of gamma knife treatment cases of more than 3500 cases of liver cancer, lung cancer, cholangiocarcinoma, head of benign and malignant tumors, and metastatic tumors such as Gamma Knife radiosurgery has a more rich experience, especially before and after radiotherapy in rectal cancer surgery; cervical cancer , palliative radiotherapy in patients with advanced pancreatic cancer; residual tumor after surgical resection and metastatic lymph node of the gamma knife treatment and dose range of exploration, liver cancer immunotherapy and other projects with precision radiotherapy in the domestic leading position. involved in the Gamma Knife Guoneishoubu academic treatment of the
