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1.What is X Knife Radiation Therapy? Scientific name: Radiotherapy with X Knife Common name: SRS radiation therapy with linear accelerators (Linacs) Preliminary technical description: It is a method of using small-sized, high-energy particles or waves to target To kill or destroy cancer cells, these beams are fired in an arc with high precision, focusing only on the tumor, without damaging the surrounding healthy tissue. During the irradiation, the patient lies normally and does not feel anything. After the irradiation phase, the patient had a slight headache. The tumor will shrink about 3-6 months later.
2.What disease is this technique used to treat? Brain cancer 3.Indications and contraindications Indications:
Treatment of brain tumors, brain metastases There are 3 main indications: patients with tumors, metastatic tumors to the brain and deformities cerebrovascular. Contraindications:
Do not treat testicles, pregnant uterus, menstruating. Direct joint area in children. Do not treat the ends of bones in children, especially the cartilage. Vascular inflammation. Do not treat the lung area of a person with active TB or tuberculous lymphadenitis. Acute dermatitis. Do not treat the lung area of patients with bronchiectasis. Direct bleeding area, threatening bleeding.
Xạ trị bằng X Knife không điều trị trên tinh hoàn, tử cung đang có thai, đang hành kinh
4.Advantages and disadvantages of the technique Advantages:
X-ray knife radiation therapy has the effect of rapidly killing cancer cells, with high treatment efficiency. X-ray is to perform "bombardment", destroy the tumor, make the tumor cells shrink into a small scar that no longer grows, does not cause compression. Cons:
High cost of radiotherapy. 5. Procedures After the diagnostic scan with CT Scanner, the patient is made a mask to locate the tumor, taken MRI, DSA... Next, the doctors will conduct tumor simulation and control treatment. treat.
X-ray treatment will kill all cancer cells in the tumor within 12-24 months. After X-rays have been fired, the cancer cells will not be able to multiply further. The time for an X-ray shot is about 30-45 minutes, but the preparation in advance takes a lot of time so that the X-ray is directed precisely at the tumor, not to the cells in the surrounding organs.
6.Natural manifestations after the technique The patient may have symptoms depending on the size and location of the tumor.
Fatigue, loss of appetite, vomiting, nausea (when chemotherapy and radiotherapy are concurrent); Dermatitis in the area of radiation therapy; Radiation pneumonia (radiotherapy to the chest); Decrease in white blood cells, red blood cells, and platelets (when chemoradiotherapy is concurrent); Hair loss, inflammation of the oral mucosa, pharynx, esophagitis causing pain, difficulty swallowing, difficulty swallowing (radiotherapy to the head-neck-thoracic region); Abdominal pain, loose stools, cystitis (abdominal-pelvic radiotherapy). 7. When are the following manifestations of the technique abnormal and need immediate re-examination? Skin atrophy, skin necrosis in the area of radiation therapy; Dry mouth, tight jaw (radiotherapy to the head and neck area); Pulmonary fibrosis (thoracic radiation therapy); Inflammation, intestinal adhesions (abdominal-pelvic radiotherapy); Bone marrow suppression, secondary cancer ... (rare). 8.Things to note when performing this technique Radiation therapy damages the skin cells that are projected, so care is essential, patients should stay away from soaps directly on the skin. radiation therapy and use a natural gel such as aloe vera gel for cleansing twice a day. If not prescribed by the doctor, the patient must absolutely not use creams, oils, etc. to apply and instead of wearing tight clothes, the patient should wear loose clothes to avoid collisions. cause pain and damage to the skin. Avoid exposing the skin to direct sunlight and the patient should not be on a diet, but need to supplement with all kinds of nutrients to ensure that the body is healthy to perform treatment. Vitamins, minerals, proteins, fats, starches,... are indispensable ingredients in every meal.
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