Discography is a medical procedure that involves injecting a dye into the jellylike center of a spinal disc to help diagnose back problems. During discography, a health professional evaluates the amount of pressure needed to inject the dye into the disc, whether it causes pain, how much dye is used, and how the dye…
Discography is a medical procedure that involves injecting a dye into the jellylike center of a spinal disc to help diagnose back problems. During discography, a health professional evaluates the amount of pressure needed to inject the dye into the disc, whether it causes pain, how much dye is used, and how the dye…
An angiogram is an X-ray test that provides pictures of the blood flow in a blood vessel. During an angiogram, a material that shows up on an X-ray (contrast material) is put into a blood vessel through a thin tube (catheter). An angiogram may be done to look for problems such as a tear in a blood vessel that can cause…
Discusses test (also called MRI scan) that uses a magnetic field and pulses of radio wave energy to make pictures of organs and structures inside the belly. Covers why it is done, how to prepare, and how it is done. Discusses results.
Courtesy of Intermountain Medical Imaging, Boise, Idaho. Figure 1 shows a picture of a computed tomography (CT) scan of two normal kidneys, looking from the top of the head down. A special dye (contrast material) was used for this scan. Figure 2 shows a picture from a different CT scan of two kidneys that are abnormal…