Radiation therapy, radiation oncology, or radiotherapy, sometimes abbreviated to XRT or DXT, is the medical use of ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body. It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer). Radiation therapy is synergistic with chemotherapy, and has been used before, during, and after chemotherapy in susceptible cancers.
Radiation therapy is commonly applied to the cancerous tumor because of its ability to control cell growth. Ionizing radiation works by damaging the DNA of exposed tissue leading to cellular death. To spare normal tissues (such as skin or organs which radiation must pass through to treat the tumor), shaped radiation beams are aimed from several angles of exposure to intersect at the tumor, providing a much larger absorbed dose there than in the surrounding, healthy tissue. Besides the tumour itself, the radiation fields may also include the draining lymph nodes if they are clinically or radio-logically involved with tumor, or if there is thought to be a risk of sub-clinical malignant spread. It is necessary to include a margin of normal tissue around the tumor to allow for uncertainties in daily set-up and internal tumor motion. These uncertainties can be caused by internal movement (for example, respiration and bladder filling) and movement of external skin marks relative to the tumor position.
MD-Radiotherapy Seats Distribution in Karnataka
*RGUHS-Rajiv Gandhi University of Health Sciences.
Radiation therapy is commonly applied to the cancerous tumor because of its ability to control cell growth. Ionizing radiation works by damaging the DNA of exposed tissue leading to cellular death. To spare normal tissues (such as skin or organs which radiation must pass through to treat the tumor), shaped radiation beams are aimed from several angles of exposure to intersect at the tumor, providing a much larger absorbed dose there than in the surrounding, healthy tissue. Besides the tumour itself, the radiation fields may also include the draining lymph nodes if they are clinically or radio-logically involved with tumor, or if there is thought to be a risk of sub-clinical malignant spread. It is necessary to include a margin of normal tissue around the tumor to allow for uncertainties in daily set-up and internal tumor motion. These uncertainties can be caused by internal movement (for example, respiration and bladder filling) and movement of external skin marks relative to the tumor position.
MD-Radiotherapy Seats Distribution in Karnataka
| Institution Name | University Name | Management | Intake |
| Bangalore Medical College & Research Institute, Bangalore | RGUHS, Bangalore | Govt. | 02 |
| Father Mullers Institue of Medical Edu. & Research, Mangalore | RGUHS, Bangalore | Trust | 03 |
| Kasturba Medical College, Manipal | Manipal University, Manipal | Trust | 03 |
| Kidwai Memorial Institute of Oncology, Bangalore | RGUHS, Bangalore | Govt. | 04 |
| M S Ramaiah Medical College, Bangalore | RGUHS, Bangalore | Trust | 03 |
| Vydehi Institute Of Medical Sc. & Research Centre, Bangalore | RGUHS, Bangalore | Trust | 04 |
*RGUHS-Rajiv Gandhi University of Health Sciences.
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