Computerized tomography (CT scan) or Computer Axial Tomography (CAT) scan is an imaging procedure that uses an X-ray machine connected to a computer. The scan creates cross-sectional images or slices of the internal structures of the body.
MRI is a computer-based imaging technique that creates a magnetic field inside your body to obtain images. The images of nerves or soft tissue inside your body are obtained.
Ultrasound imaging is a diagnostic procedure that uses high-frequency sound waves to produce images of the internal structures of your body. It is used in the diagnosis and treatment of different conditions and to monitor the development of an unborn child during pregnancy.
Positron emission tomography scan, also called PET scan or PET imaging, is a highly specialized nuclear imaging test that uses small amounts of radioactive substances to produce powerful images of the body’s biological function. A PET scan is non-invasive and usually painless.