Renal scintigraphy - static and dynamic method


1. When appointed?

2. Contraindications

3. How to prepare?

renal scintigraphy - a non-invasive method of research, which is used for diagnosis of various pathologies of the urinary system.The essence of scintigraphy comprising administering to a patient a radiopharmaceutical (RFP) and further produce kidney image using a gamma camera.

Depending on the clinical picture and examination purposes, the following types of renal scintigraphy:

  • Static - is to obtain images that help define the shape, size, position, changes in body structure, blood flow in the kidney.
  • Dynamic - performed to verify the functioning of the kidneys.Moreover, evaluation of the bodies carried out at all stages - from the moment of penetration of the radiotracer in a tissue blood flow and until its excretion into the bladder through the ureters.

renal scintigraphy is carried out in the department of nuclear medicine clinic or hospital.The patient is placed under a gamma-camera or in front of it, i

t is intravenously administered radiopharmaceutical, and then immediately begins scanning the study area.Gamma camera captures the radiation of the radioactive substance which accumulates in the body.After a short period of time to obtain images of the sequence.renal scan make for a calculation of glomerular filtration rate of the patient's blood.

With static scintigraphy scan begins two hours after administration of a radioactive drug.Diagnosis itself takes about 15-25 minutes.Dynamic renal scintigraphy is performed immediately after the introduction of the RFP, and lasts about 20 minutes.

In the first and in the second case, after the end of the study the patient immediately returns to normal life.

When he appointed?

The following indications for renal scintigraphy:

  • Congenital anomalies.
  • injury.
  • Acute and chronic diseases.
  • Preparing for transplant.
  • Evaluation of renal renal blood flow.
  • Identification expansion of the urinary tract and renal pelvis system.
  • Renal infarcts.
  • Identifying blockages of the urinary tract.
  • Identification reflux.
  • Confirmation of the diagnosis, whereby kidneys are exposed to high pressure.
  • Identify complications after renal transplantation.


Since renal scintigraphy involves the use of radioactive material, for women during pregnancy, this procedure is contraindicated.Only if a doctor can prescribe the study emergency.Also, women should inform the technician if they breastfeed.In this situation, you can recommend to stop breastfeeding, the length of the break depends on the type and dose of the drug.

If a patient has recently passed another radionuclide study, then he needs a certain period of time to eliminate the repeated diagnosis to prevent the accumulation of residual radioactivity.

How to prepare?

renal scintigraphy for special training is not required.The patient simply need to remove all metal objects from the field of study.

An hour before the start of dynamic scintigraphy, the patient should drink extra fluid (for example, two cups of ordinary pure water) and before the manipulation to empty the bladder.Also not be prohibited to use soda water, but it is desirable to refrain from strong tea or coffee.

If turnout in the survey with a need to have the results of ray studies that were conducted earlier (MRI urinary tract and kidney ultrasound, CT urography).

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