A PET scan makes use of radioactive tracers to create 3D images of the body. The radiation from the tracers poses little hazard to the patient since they rapidly move out of the body. The kind of tracer used will rely on what the physician is on the lookout for. Often when in search of cancer, medical doctors use FDG, a modified type of glucose. The isotope on connected to the service molecule produces small particles known as positrons, which interact with surrounding electrons. The ensuing launch of photons is detected by the PET scanner and translated into a picture by way of computer processing.
The radiographer controls the scan from outdoors the room. They can see and speak to you. It is vital to lie as still as attainable. It shouldn’t be in any respect painful. If you begin to feel unwell or want some help, you may have … Read more