概述
调强放射治疗（IMRT）是一种先进的放射疗法。放射疗法利用强大的能量束来杀死癌细胞。能量可能来自 X 线、质子或其他来源。
IMRT 使用的辐射束经过精心定制，辐射束的形状适应癌变部位的形状。辐射束在递送辐射时可以沿着弧线移动。每束辐射的强度可以不同。这样可以精确控制放射治疗。IMRT 以尽可能安全有效的方式递送正确的辐射剂量。
IMRT 可用于治疗癌症和非癌性肿瘤（即良性肿瘤）。它可用于治疗体内任何部位的癌症和肿瘤。
IMRT 的目标是向靶标递送正确剂量的辐射，并最大限度地减少靶标外部的辐射。这有助于降低损伤附近健康组织的风险。
目的
调强放射治疗（IMRT）用于治疗癌症和非癌性肿瘤。治疗目标是仅对靶标进行辐射，避免损伤附近的健康组织。
风险
As with most medical procedures, there are risks to intensity-modulated radiation therapy, also called IMRT. The specific risks depend on which part of the body gets the radiation and how much is used.
| Part of body being treated |
Common side effects |
| Any part |
Hair loss at the treatment site that can be permanent, skin irritation at the treatment site, tiredness |
| Head and neck |
Dry mouth, thickened saliva, trouble swallowing, sore throat, changes in the way food tastes, mouth sores |
| Chest |
Trouble swallowing, cough, shortness of breath |
| Abdomen |
Nausea, vomiting, diarrhea |
| Pelvis |
Diarrhea, bladder irritation, urinating often, changes in sexual function |
If you have side effects, they often can be controlled during treatment. After treatment, most side effects go away.
Sometimes side effects develop after treatment. These are called late side effects. Very rarely, a new cancer may develop years or decades after cancer treatment. It can be caused by radiation or other treatments. This is called a second primary cancer. Ask your healthcare professional about side effects that could happen after treatment, both short term and long term.
如何进行准备
To prepare for intensity-modulated radiation therapy, also called IMRT, you might have imaging tests. These tests typically are computerized tomography scans, also called CT scans, or magnetic resonance imaging, also called MRI. The images from the tests are used to make detailed pictures of the area to be treated. Radiation therapy professionals use those pictures to plan the shape and path of the radiation beams. This planning allows specific doses of radiation to be delivered to the treatment area.
可能出现的情况
During intensity-modulated radiation therapy, also called IMRT, you receive treatment with radiation. Based on the treatment planning, radiation therapy delivered during IMRT is carefully focused on the cancer or tumor to be treated. This lowers the amount of radiation to healthy tissue.
结果
After intensity-modulated radiation therapy, also called IMRT, you might have imaging tests to see if the cancer is shrinking. Ask your healthcare team when you can expect to know the results of your treatment. Sometimes the cancer responds to treatment right away. Other times it may take weeks or months to see the treatment working.
临床试验
探索 Mayo Clinic 的研究 测试新的治疗、干预与检查方法，旨在预防、检测、治疗或控制这种疾病。