Abstract
During the last years, knowledge and concepts concerning Parkinson's disease and other parkinsonian syndromes have progressed: a concept of network pathology with different clinical presentations and evolutions, involving several neurotransmission pathways succeeeded the single dopaminergic lesion concept. Imaging also changed with the development of MRI. In this context, the aim of this work is to bring up-to-date methodology and clinical contribution of dopaminergic neuron imaging. Nigrostriatal neuron imaging (dopamine transporter imaging) contributes to diagnosis of Parkinson's disease and Lewy body dementia. Dopamine receptor imaging mainly helps in differential diagnosis of parkinsonian syndromes (Parkinson's disease and Parkinson plus syndromes). The ongoing development of dopaminergic, cholinergic, serotoninergic tracers and the recent emergence of amyloid plaques and neurofibrillary tangles imaging open perspectives for molecular imaging and care of neurodegenerative diseases.
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