Howard B. Schaff MD

Angiogram of a Normal Kidney

Courtesy of Intermountain Medical Imaging, Boise, Idaho. Many people have more than one artery for blood flow to the kidneys. Figure 1 is an angiogram showing the main artery supplying blood flow to the kidney. Figure 2 is an angiogram showing a second artery helping to supply blood to the kidney.

Angiografía de un riñón normal

Cortesía de Intermountain Medical Imaging, Boise, Idaho. Muchas personas tienen más de una arteria que transporta sangre hacia los riñones. La figura 1 es una angiografía que muestra la arteria principal que suministra sangre al riñón. La figura 2 es una angiografía que muestra una arteria secundaria que ayuda a…

Contrast Material

Contrast material, or contrast dye, is a substance used to make specific organs, blood vessels, or types of tissue (such as tumors) more visible on X-rays. Contrast material may also be used during a CT scan, an ultrasound, or an MRI scan. Common contrast material substances include iodine, barium, and gadolinium.


X-rays are a form of radiation, like light or radio waves, that can be focused into a beam, much like a flashlight beam. Unlike a beam of light, though, X-rays can pass through most objects, including the human body. When X-rays strike a piece of photographic film, they can produce a picture. Dense tissues in the body…

Angiogram of a Renal Mass

Courtesy of Intermountain Medical Imaging, Boise, Idaho. Figure 1 shows a kidney with a large mass that is bleeding. Figure 2 shows small coiled wires that have been placed in the artery to block the bleeding.