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DTPA scan / Diuretic Renogram/ Renal dynamic scan for adults: Instructions

This leaflet provides information to patients undergoing a DTPA / MAG3 scan. The purpose of this scan is to see how well urine flows out of the kidneys and bladder.

What is the procedure of this scan?

You are requested to arrive in Nuclear Medicine department, Manipal Hospital, Dwarka on ________ (date) at ________ (time). We will record your brief history, measure your weight, height and insert the cannula (straw like tube which goes through the skin and into a vein) before starting with the scan procedure.

It is important that you inform us if you are breast feeding or are (or think you could be) pregnant. This study may not be suitable for pregnant women

You are allowed to eat and drink throughout the day. It is extremely important that you are well-hydrated prior to scan. PLEASE DRINK PLENTY OF WATER (1 -2 LTR) PRIOR TO START OF SCAN.

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DTPA / MAG3 Scan

You will be injected with a small amount of radioisotope through the cannula and the scan will start immediately. The initial scan takes a period of 20-30 minutes during which you need to lie reasonably still.

Delayed scans:

Delayed images may be acquired at 2, 4, 6 and 24 hours after radio- isotope administration, if we see retention of radio-isotope in the kidneys (usually seen with hydronephrotic kidneys). Each time the scan will be taken for 5 minutes only. You will not be admitted in the hospital for the test.

After the Procedure

After the scan is complete, the cannula is removed and you can go home. You can drive, travel by public transport and return to work, if necessary.

Are there any side effects of this scan?

There are no side effects of the injection but it can take up to 24 hours for radio-isotope to discard from the body completely. Please drink more than usual after the scan and pass urine frequently for a day.

Shall I bring previous lab and radiology reports on the day of the scan?

Yes, you should bring previous DTPA / MAG3 scan and reports (if available) for comparison purposes. Also, bring the recent radiology (ultrasound, x-ray, CT scan etc) and laboratory (blood & urine test) reports on the day of the scan.

What are the benefits of a DTPA / MAG3 scan?

The scan will determine the functioning of individual kidneys and significance of hydronephrosis (swollen kidneys).

When can I expect the results of DTPA / MAG3 Scan?

You will receive the results at 5 PM in the evening on the day of completion of your scan. The results of the scan will also be conveyed provisionally to your referring physician. The report will be accompanied with scan films.

*If you have any further questions, Please feel free to contact the Nuclear Medicine Department, Manipal Hospitals, Dwarka on 011-41274257, 011-41274251 between 9 AM – 5 PM (Monday-Saturday).

OUR DOCTORS

DR ANKUR PRUTHI

DR ANKUR PRUTHI

Consultant and Head
Nuclear Medicine
(Delhi)
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