Parkinson's disease (PD) is characterized by a progressive loss of nigrostriatal
dopaminergic neurons associated with intracellular Lewy inclusion bodies. The result is …

Functional imaging techniques provide major insights into understanding the
pathophysiology, progression, complications, and differential diagnosis of Parkinson's …

The diagnosis of a parkinsonian syndrome based on clinical criteria remains sometimes
difficult, especially at disease onset. Brain or heart molecular imaging techniques (SPECT or …

Positron emission tomography (PET) is a nuclear imaging technique, which allows in vivo
estimations of important physiological parameters such as, glucose metabolism and …

Over the past two decades, positron emission tomography (PET) has provided valuable
insights into the mechanisms of nigrostriatal degeneration in Parkinson's disease (PD) …

Purpose To systematically review the previous studies and current status of positron
emission tomography (PET) molecular imaging research in atypical parkinsonism. Methods …

Movement disorders with parkinsonian features are common, and in recent years imaging
has assumed a greater role in diagnosis and management. Thus, it is important that …

Parkinson's disease (PD) is a neurodegenerative disorder that affects millions of people
worldwide. Two hallmarks of PD are the accumulation of alpha‐synuclein and the loss of …

Purpose Neuroimaging indicators of Parkinson disease have been developed and applied
in clinical practices. Dopaminergic imaging reflects nigrostriatal dopaminergic dysfunction …

Parkinson's disease (PD) consists of loss of pigmented dopamine-secreting neurons in the
pars compacta of the midbrain substantia nigra. These neurons project to the striatum …