What are the different types of nuclear medicine cameras?
The display of nuclear medicine allows doctors to take pictures of different organs and tissues by introducing a small amount of radioactive substance into the body. There are three different types of nuclear medicine cameras: Gama camera, POSITON emissions (PET) and computer tomography with one photon (SPECT). A gamma camera located in a metal case is able to detect radiopharmaceutical substances at the site of potential disease and diagnose cellular problems. The radioactive substance is usually introduced into the body by oral or intravenous injection. Nuclear medicine cameras can be used to detect conditions such as cancer, heart and lung disease, bone disorders and brain diseases such as Alzheimer's disease.
Gamma camera does not release the radiation itself, but rather raises radiation from radiopharmaceuticals inside the body at the site of a potential disease. The camera can be placed above or below the test and sometimes located inside the round scanning machine. After the patient has been inserted into the machine, he is capable ofto turn and display the body. By displaying the body at the cellular level, nuclear medicine cameras are able to detect diseases and disorders before they have a chance to spread and display out the physical features in tissue and body in general. The computer downloads information from the camera and helps in creating images.
Computer tomography with one photon is another imaging machine that allows doctors to take pictures that show blood flow to organs and body tissues. The patient is given a tracing substance emitting gamma beam and the scanner takes pictures of different parts of the body and sends them to a computer that eventually puts the cross -sections into 3D images. Scan SPECT is usually limited to imaging areas where blood flows are through the veins. One of the main tasks or scanning SPECT is to map and display blood flow through the blood vessels in the brain.
Another in the line of nuclear medicine cameras is a PET scan. This scan is usually used to a counterOle cancer and infarction effects. He is also able to imagine any anomalies in the brain. As with other procedures, the substance is administered and the patient is asked to lie down on a thin table that slips through the oval opening in the middle of the machine. The PET scanner has a number of detector rings that are able to display emissions from the tracing substance inside the patient's body.