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Clinical summary: use of DaTSCAN

The diagnosis of Parkinson’s is primarily clinical. However, where there is uncertainty, presynaptic dopaminergic imaging may help establish the correct diagnosis. The main technique is FP-CIT SPECT, also known as DaTSCAN. This identifies the dopamine transporter.

This brief clinical summary addresses: when and why a DaTSCAN should be requested; interpretation of the scan; and how to prepare patients.

It is supported by a series of 7 Critically Appraised Topics (CATs) which are available with the clinical summary below.