How do nuclear medicine techniques like PET scans work?

Nuclear medicine techniques such as PET (Positron Emission Tomography) scans work by using small amounts of radioactive tracers known as radiopharmaceuticals. These tracers are injected into the body and accumulate in specific organs or tissues, emitting gamma rays that are detected by a PET scanner.

Nuclear medicine imaging process

During a PET scan, the patient lies on a table that slowly moves through the PET scanner. The scanner detects the gamma rays emitted by the radiopharmaceuticals and creates detailed images of the body's internal structures and functions.

Medical applications

PET scans are used in medical diagnosis to detect diseases such as cancer, heart conditions, and neurological disorders. They can also assess the effectiveness of ongoing treatments and help plan further medical interventions.

Advantages of PET imaging

PET imaging provides detailed information at the molecular level, allowing for early detection of diseases and personalized treatment plans. It is a non-invasive procedure with low associated risks for patients.

In conclusion, nuclear medicine techniques like PET scans are powerful tools in modern medicine, offering valuable insights into the body's functions and aiding in the diagnosis and treatment of various medical conditions.