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Neurology
Meta-analysis
QSM MRI reveals distinct iron deposition patterns differentiating Parkinsonian syndromes
Brain MRI technique may help tell apart Parkinson's and similar disorders
This systematic review and meta-analysis of 626 PD, 160 MSA, 176 PSP patients and 256 controls found that quantitative susceptibility mappin…
A special MRI can spot distinct brain iron patterns in Parkinson's and related diseases, offering a potential diagnostic tool.
Jun 1, 2026
Neurology
Cross-sectional survey reveals high rates of undiagnosed neurogenic orthostatic hypotension in multiple system atrophy patients
Blood Pressure Drops Are Leaving MSA Patients Unable to Stand—And Often Overlooked
This cross-sectional survey of 259 community-based patients with multiple system atrophy (MSA) examines the prevalence of neurogenic orthost…
This study reveals that most MSA patients suffer from undiagnosed blood pressure drops that make daily tasks nearly impossible, even with me…
medRxiv
Apr 22, 2026
Neurology
Observational review of phenoconversion rates and biomarker alignment in Parkinson's disease genetic cohorts
Do your symptoms match the biology, or is the disease hiding in plain sight?
This observational cohort analysis reviews phenoconversion rates and biomarker alignment in Parkinson's Progression Markers Initiative parti…
In people at genetic risk for Parkinson's, symptoms and biological markers often don't align, with nearly one-third showing advanced brain c…
medRxiv
Apr 20, 2026
Neurology
6-metabolite blood biomarkers aid differential diagnosis of Parkinson's disease versus healthy controls and other neurodegenerative conditions
Can a simple blood test tell the difference between Parkinson's and other brain diseases?
This observational study assessed a 6-metabolite blood biomarker (6M-BB) profiled by 1H NMR for distinguishing Parkinson's disease (PD) from…
A simple blood test using six metabolites correctly identified Parkinson's disease in nearly 95% of cases while distinguishing it from other…
medRxiv
Apr 9, 2026