Results
A kidney scan is a
nuclear scanning test that is done to check
function or appearance. The results of a kidney
scan are usually available in 2 days.
Kidney scan| Normal: | The radioactive tracer flows evenly to and
through each kidney at the same time. The kidneys are working
normally. |
|---|
The tracer flows from the kidneys into the urine, which then drains into the
and
. This process occurs within a normal time
range. |
The kidneys take up the
radioactive tracer evenly. No "hot" spots or "cold" spots are seen. |
| Abnormal: | The kidneys are not normal in shape, size,
or location. |
|---|
The tracer does not flow evenly through the
kidneys, meaning narrowing of, blockage of, or damage to the blood vessels
or tissue in the kidneys. This may also mean poor kidney function. |
The tracer collects in
an area ("hot" spot) of a kidney. This might mean a tumor containing a
higher-than-normal number of blood vessels. |
An area of the kidney
does not take up the tracer ("cold spot"). This may mean an
,
, or scarring. |
The tracer does
not pass from the kidneys into the urine and then through the ureters to the
bladder. This can mean the movement of urine from the kidney is blocked. |