The Committee for Medicinal products for Human Use (CHMP) decided that DaTSCAN’ s benefits are greater than its risks as a diagnostic agent to help differentiate Essential Tremor from Parkinsonian Syndromes related to idiopathic Parkinson’ s Disease, Multiple System Atrophy and Progressive Supranuclear Palsy, and to help differentiate probable dementia with Lewy bodies from Alzheimer ’ s dementia.