<scp>EFNS</scp>/<scp>MDS</scp>‐<scp>ES</scp> recommendations for the diagnosis of <scp>P</scp>arkinson's disease

The diagnosis of PD is still largely based on the correct identification of its clinical features. Selected investigations (genetic, olfactory, and neuroimaging studies) have an ancillary role in confirming the diagnosis, and some of them could be possibly used in the near future to identify subjects in a pre-symptomatic phase of the disease.