PET Scan Research Paper

PET is a nuclear medicine, working imaging ability that creates a three-dimensional image of functional processes within the human body. [1] First, chemicals which emits gamma radiation are injected into the human body, then; the system detects pairs of gamma rays emitted indirectly by a tracer to show images of bones and organs. These substances are injected into the body, and are usually tagged with a radioactive atom.[1] Doctors use this device to create images of bones and organs of the patients. They take many pictures from different angles, and; use a computer software to create a full three-dimensional image of the particular body part. The frequency and energy levels increase as you move along the EMS. Gamma waves have the highest frequencies and shortest wavelengths. As the frequency increases, the energy levels also increase because of the higher frequency. Gamma rays are used to treat cancer because it has the strongest energy level, strong enough to kill cancer cell in the human body. …show more content…
Some types of cancer such as head and neck cancer; only radiotherapy may be used. Some advantages of using a PET scan is that, it is usually painless, it can help detect, treat, or prognosticate the outcome for a variety of conditions, unlike most other imaging types, it can show how different parts of the body are working and can detect problems much earlier, and it can also check how far a cancer has spread and how well treatment is working.[1] Although, gamma rays could be used to kill cancer cells, exposure to gamma radiation kill both cancerous and normal cells leading to side effects. So, the side effects of the patients are: hair loss, loss of blood cells, sore skin, diarrhoea, or even become