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A radiation oncologist is a specialist physician who uses ionizing radiation (such as megavoltage X-rays or radionuclides) in the treatment of cancer.Radiation oncology is one of the three primary specialties, the other two being surgical and medical oncology, involved in the treatment of cancer.
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The subspecialty of oncology concerned with radiotherapy is called radiation oncology. A physician who practices in this subspecialty is a radiation oncologist. Radiation therapy is commonly applied to the cancerous tumor because of its ability to control cell growth.
The most widely accepted model posits that the incidence of cancers due to ionizing radiation increases linearly with effective radiation dose at a rate of 5.5% per sievert. [3] If this linear model is correct, then natural background radiation is the most hazardous source of radiation to general public health, followed by medical imaging as a ...
Radiation therapy is used to kill cancer cells; however, normal cells are also damaged in the process. Currently, therapeutic doses of radiation can be targeted to tumors with great accuracy using linear accelerators in radiation oncology; however, when irradiating using external beam radiotherapy, the beam will always need to travel through healthy tissue, and the normal liver tissue is very ...
Also called P.R.O., it is a journal whose mission is to improve the quality of radiation oncology practice. ASTRO launched an online only open access (OA) journal in 2015 called Advances in Radiation Oncology as a sister journal to Red Journal and PRO. [4] It also publishes teaching cases and brief communications in radiation oncology. [5]
Radiation oncology, also called radiation therapy or therapeutic radiology, is a speciality of medicine that uses various forms of radiation to treat disease, especially various cancers. In contrast, diagnostic radiology employs X-rays and other modalities for diagnostic imaging.
Radioimmunotherapy (RIT) uses an antibody labeled with a radionuclide to deliver cytotoxic radiation to a target cell. [1] It is a form of unsealed source radiotherapy. In cancer therapy, an antibody with specificity for a tumor-associated antigen is used to deliver a lethal dose of radiation to the tumor cells. The ability for the antibody to ...