28/10/2025
DTPA SCAN NEAR NOIDA 9999446542
DTPA SCAN NEAR NOIDA 9999446542
A DTPA scan is a renal (kidney) nuclear medicine test that evaluates kidney function by tracking how a small amount of a radioactive tracer, called DTPA (diethylenetriaminepentaacetic acid), moves through the kidneys. It is a dynamic and non-invasive way to measure a kidney's perfusion, filtration, and excretion, and it is used to diagnose conditions like kidney obstruction, early renal dysfunction, and problems with kidney transplants.
What the scan does
Assesses kidney function: It provides a real-time picture of how well the kidneys are filtering waste from the blood.
Evaluates blood flow: It shows how blood is flowing to and through the kidneys.
Checks drainage: It can identify if there are any blockages in the urinary tract that are preventing urine from draining properly.
Compares kidney function: It allows doctors to compare the function of the left and right kidneys.
Why it is performed
To diagnose and monitor conditions such as kidney obstruction, cysts, tumors, or inflammation.
To identify and treat early signs of kidney dysfunction.
To assess the function of a transplanted kidney.
To evaluate blood flow in the renal arteries.
How to prepare for the scan
Drink 1 to 1.5 liters of water about an hour before the test, but you can urinate as needed.
You may be asked to fast and/or stop certain medications beforehand, depending on your specific medical history.
The test itself is painless and non-invasive, as the radioactive material is injected intravenously.
A special gamma camera is used to scan the kidneys and capture images as the tracer moves through them.
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