All You Should Know About PET Diagnosis

May people today are suffering from different type of life threatening diseases. They need appropriate diagnosis programs and that will rightly meet the needs of the patients. PET diagnosis is one of them that offer quality result instantly and let you know whether you are suffering from any type of medial issues or not.

Pre-preparation of the PET scan

Prior to a PET scan, the patient receives an injection of a substance that contains a type of sugar attached to a radioactive isotope. The cancer cells “take up” the sugar and attached isotope, which emits positively charged, low energy radiation (positrons). The positrons react with electrons in the cancer cells, which create the production of gamma rays. The gamma rays are then detected by the PET machine, which transforms the information into a picture. If no gamma rays are detected in the scanned area, it is unlikely that the mass in question contains living cancer cells.

How the PET scan performed?

Before a PET scan the radioactive tracers are given through a vein in your arm, through a solution you drink, or in a gas you inhale. Because your body needs time to absorb the tracers, you’ll wait about an hour before the PET scan begins.

The actual scan can last anywhere from 30 to 45 minutes. This will involve lying on a narrow table attached to a PET machine, which looks like a giant letter “O.” The table slides slowly into the machine so that the scan can be conducted.

During the scan you need to lie still. You may even be asked to hold your breath for several seconds. You’ll hear buzzing and clicking noises during the test. When all the necessary images have been recorded, the table will slide back out of the machine and PET scan is complete.

PET scans show metabolic changes occurring at the cellular level in an organ or tissue. This is important because disease often begins at the cellular level. PET scans can detect very early changes in your cells. CT scans and MRIs uses special x-ray equipment or magnetic fields and radio frequency pulses to create images of internal structures such as organs, soft tissues, and bone respectively.

There are also CDV Ag test and FPV Ag test are performed in order to get the outstanding result to come out from any type of life-threatening issues. 

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