Thyroid scintigraphy

Nuclear Medicine studies (scintigraphy) are methods of Diagnostic Imaging that use radioactive isotopes. They are prescribed to detect both morphological and especially functional alterations of the different organs and systems. Depending on the types of radiotracers used, scintigraphies allow visualizing the structure and function of different organs and systems.

Thyroid scintigraphy makes it possible to assess the shape, structure, and location of the thyroid glands in cases of hyperthyroidism, as well as to evaluate the existence of possible nodules or lumps.

What does it consist of?

Scintigraphy is a nuclear medicine technique that consists of injecting small doses of radioactive material (tracer) to measure the functioning of different organs and systems. The tracer, which releases gamma rays, travels through the blood and is absorbed by the organs. Subsequently, a camera with gamma radiation detectors makes it possible to obtain images of the highlighted areas.

Preparation for the test

Instructions

Scans usually take about 3 hours. When you arrive, they will administer a contrast and until it takes effect, you cannot perform the test, which lasts between 10 and 15 minutes. While waiting for the reabsorption of the contrast, the patient can wait in one of our rooms or go for a walk around the center.

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