Radiation therapy is a localized treatment, which works by breaking the internal part of the DNA cells of a particular area.
Radiation therapy is a common treatment for cancer that uses radiations like x-rays, gamma rays, protons or electron beams to destroy or control malignant cancer cells. The other names for it are radiotherapy, irradiation, x-ray therapy, or radiation oncology. Cancer cells multiply and divide faster than normal cells. Radiation therapy is a localized treatment, which works by breaking the internal part of the DNA cells of a particular area. In this way, the radiation stifles the growth and the division of the malignant cells and often destroys them completely.
Only in a few rare cases the radiation is given in an entire vein or orally. In such treatment the radiation passes through the whole body to reach its target region. Sometimes the nearby normal cells are also affected by the radiation, so the treatment should be carried out under meticulous supervision. Radiation therapy can be broadly divided into two categories:
External Radiotherapy: A patient undergoing external radiotherapy is given high energy radiation at the cancerous site by a machine, which is directed exactly to the treatable area. External radiotherapy is a course of treatment given over a span of few weeks. The treatment is painless and takes around 15 minutes. The external radiotherapy is of several types:
Internal Radiotherapy: In Internal radiotherapy, also called Brachytherapy, a radioactive source or a needle is placed inside the body of the patient. The radioactive source can be solid as well as liquid. If a liquid source is used, it is often termed as radionuclide therapy. In this type, the patient’s movements are often restricted until the radioactivity has fully disappeared from his/her body.
Very pleasant and caring doctor. Discusses the disease in depth with the patient and the family in a satisfactory and unhurried manner. He provides cautious and realistic encouragement and supports to the patient to face the problem without showing over-optimism.On the whole, he treats the patient with respect and gives the feeling that he and his team will walk with the patient through the treatment.