Journal of Medical Physics and Applied Sciences

Editorial Note

Radiation therapy is also called radiotherapy. It is a cancer therapy that uses high dosages of energy to kill cancer cells and counselor tumors. At low amounts, radiation is used in x-rays to grasp inside your body, as with x-rays of your prongs or broken bones. At high amounts, radiation therapy kills cancer cells or reduces their development by destructive their DNA. A Cancer cell in the DNA was injured beyond healing stop dividing or dies. When the injured cells die, they are broken down and detached by the body. Radiation therapy does not execute cancer cells right away. It takes days or weeks of cure before DNA is injured enough for cancer cells to die. Then, cancer cells keep failing for weeks or months after radiation therapy finishes.

There are two key types of radiation therapy, external beam and internal. The type of radiation therapy that you may have rests on many factors those are, the size of the tumor, our general health, and medical history, the type of cancer, the tumor’s location in the body, how close the tumor is to usual tissues that are delicate to radiation, whether you will have other types of cancer handling.

External beam radiation therapy derives from a machine that targets radiation at your cancer. The machine is huge and maybe loud. It does not trace you, but can move everywhere you, sending radiation to a part of your body in many ways. Internal radiation therapy is a usage in which a source of radioactivity is put inside your body. The radiation source can be dense or fluid.

Internal radiation therapy with a hard source is called brachytherapy. In this method of treatment, ribbons, seeds, or capsules that contain a radioactivity source are placed in your body, in or near cancer. Like external beam radiation therapy, brachytherapy is a native treatment and treats only a precise part of your body. External beam radiation treatment is a local treatment, which means it gives a specific part of your body. For example, if you have a tumor in your lung, you will have radiation only to your upper body, not to your whole body.

For some people, radiation may be the only cure you need. But, most often, you will have radiation therapy with other tumor treatments, such as surgery, immunotherapy, and chemotherapy. Radiation therapy may be given before, during, or after these other cures to improve the chances that treatment will effort. The control of when radioactivity therapy is rest on the type of tumor being treated and whether the goal of radiation therapy is to treat cancer or ease signs. Radiation not only executes or slows the growth of cancer cells but can also distress nearby healthy cells. Damage to strong cells can source side effects.