Dopamine transporter scintigraphy (DaTSCAN)

Diagnostic procedure

One of our doctors will take plenty of time to fully discuss your symptoms, any previously performed tests and treatments, as well as the procedure of the planned examination.

In order to protect your thyroid gland from unnecessary stress, you will first receive 40 drops of Irenat®. To begin, a trace of a radioactive substance is injected into your arm. There has never been any report of an allergic reaction to the substance we use. The radiation exposure is lower than that of a CT scan. The substance will accumulate in the central brain, known as the stem ganglia, within 3 hours.

While the medicine is taking effect, you are free to leave the clinic. You are free to eat or drink.

The scan will be made with you lying down. Then, a large camera (the “gamma camera”) slowly rotates around your head for 45 minutes. This machine is not a closed tunnel. It is open to each side, and makes no noise. Therefore, patients suffering from claustrophobia tolerate the process well. Throughout the examination, one of our medical technicians will assist you and remain within hearing distance.

Evaluating the scan takes quite some time, as it requires complicated calculations. The resulting images will be printed out and given to the consulting doctor.

Your doctor will discuss the results with you during a final consultation. Usually, you will be able to take the medical report and the images with you when you are leaving the clinic.


The radiopharmaceutical is ordered for each patient individually (cost: about €900), and it cannot be stored for long periods of time. For this reason, keeping your appointment is absolutely essential.

Medications containing Bupropion, Methylphenidat and Sertralin must be discontinued before the examination. Please phone us to inquire when to discontinue your medication.

Please bring a list of your current medications.

If you had an MRI of your head, please bring the images and/or the results.

Should you have further questions, please do not hesitate to phone us.