Positron emission tomography
Positron emission tomography, also called positron emission tomography, is a method of nuclear medicine testing using positron emission, which involves injecting a drug that combines radioactive isotopes that emit positron into the body, followed by a positron emission tomography It is a way of seeing. Receptor imaging or metabolic imaging for cancer screening, heart disease, brain disease, and brain function assessment can also be obtained. A positron is called a positron that has a physical property similar to that of an electron with a negative charge, but has a positive charge. These positons are a type of radiation emitted by radioactive isotopes such as C-11, N-13, O-15 and F-18. These elements are the main constituents of living organisms and can be used to make pharmaceuticals . F-18-fluoro-deoxyglucose, the most commonly used radiopharmaceutical, is a glucose-like substance, and when it is injected into the body, glucose metabolism, such as cancer, accumulates in the area of increased hyperglycemia.