Radio waves are a type of electromagnetic radiation with longer wavelengths than visible light. In medical imaging, they are used in conjunction with magnetic fields to create detailed images of the body.
PET scans use radioactive tracers that emit positrons, which interact with electrons inside the body; it helps detect diseases like cancer.
Magnetic Resonance Angiography (MRA): MRA is a specialized MRI technique that focuses on visualizing blood vessels within the body.
Radiotherapy: Radiotherapy is a treatment method that uses high-energy radiation (such as X-rays or gamma rays) to destroy cancer cells and shrink tumors.