Brain Magnetic Resonance Imaging in Multiple-System Atrophy and Parkinson Disease

Brain magnetic resonance (MR) imaging offers the potential for objective criteria in the differential diagnosis of multiple system atrophy with predominant parkinsonism (MSA-P) and Parkinson disease (PD), since it frequently shows characteristic abnormalities in patients with MSA-P and is believed to be normal in patients with PD.To determine concordance between clinical and MR imaging-based diagnoses of MSA-P and PD.Two neuroradiologists...