Parathyroid scintigraphy
Parathyroid scintigraphy is an imaging scan performed to detect parathyroid adenoma. The study makes use of Tc-99m-MIBI isotopic tracer. This radiopharmaceutical is taken up by the adenoma cells and by the thyroid, but washes out from the thyroid gland more rapidly. The scan is performed using SPECT technique.
Contraindications:
Pregnancy and breast feeding.
How should I prepare for the scan?
- no fasting is required before the procedure,
- please bring recent thyroid and parathyroid diagnostics records with you: thyroid ultrasound results, as well as PTH, TSH and calcium test results,
- bring your medical records (incl. all medical imaging records) to the appointment with you. Comparing scintigraphic images to the previous medical imaging records will facilitate the scan results interpretation.
How is the scan performed?
- The patient receives an intravenous injection of the radiopharmaceutical. The SPECT images are recorded in the supine position, 20 minutes and 2 hours after the isotope administration. Each imaging session takes about 30 minutes, i.e. the whole scan takes about 60 minutes.
What do I need to do after the scan?
- void contact with children and pregnant women,
- increase fluid intake to speed up tracer elimination,
