Howard B. Schaff MD


Discography

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

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…

Myelogram

A myelogram uses X-rays (fluoroscopy) and a special dye called contrast material to make pictures of bones and nerves of the spine (spinal canal). The spinal canal contains the spinal cord and nerve roots surrounded by a fluid-filled space called the subarachnoid space. For a myelogram, the dye (which contains iodine)…

PET Scan

Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. During a PET scan, the tracer is typically injected into a vein (usually in the arm), but sometimes it may be inhaled. The tracer usually is a special form of a substance…

Gallbladder Nuclear Medicine Scan

Courtesy of Intermountain Medical Imaging, Boise, Idaho. Figure 1 shows normal flow of bile in the system. Figure 2 shows a gallbladder that is not contracting normally.