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Radiation therapy or radiotherapy (RT, RTx, or XRT) is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant cells. It is normally delivered by a linear particle accelerator .
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 ...
Establishment of investigational levels in order to monitor individual occupational external radiation exposures. An institution must establish Investigational Levels for occupational external radiation exposure which, when exceeded, will initiate review or an investigation into the over exposure of the worker or authorized user.
CDRH has authorized over 100 devices through the Breakthrough Devices Program since program launch in 2015 and 2 devices through the STeP Program since program launch in 2021. The Safety and Performance Based Pathway Program [ 23 ] ensures better quality devices on the market by allowing innovators to assess devices against performance criteria ...
In medicine, proton therapy, or proton radiotherapy, is a type of particle therapy that uses a beam of protons to irradiate diseased tissue, most often to treat cancer.The chief advantage of proton therapy over other types of external beam radiotherapy is that the dose of protons is deposited over a narrow range of depth; hence in minimal entry, exit, or scattered radiation dose to healthy ...
This is a type of targeted therapy which uses the physical, chemical and biological properties of the radiopharmaceutical to target areas of the body for radiation treatment. [3] The related diagnostic modality of nuclear medicine employs the same principles but uses different types or quantities of radiopharmaceuticals in order to image or ...
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