Distinct Spatiotemporal Patterns of Dopaminergic and Metabolic Imaging in De Novo Parkinson's Disease.
BACKGROUND Understanding the heterogeneity of Parkinson's disease (PD) is essential to guide patient care, prognosis, and treatment. OBJECTIVE We used 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET), 18F-N-(3-fluoropropyl)-2β-carbomethoxy-3β-(4-iodophenyl) nortropane (18F-FP-CIT) PET, and Subtype...