Parkinson's disease (PD) is a degenerative disease that can be difficult to diagnose. The clinicopathological studies had demonstrated a 76% accuracy in the clinical diagnosis of PD. At the beginning of PD is difficult for the clinician to distinguish from Parkinsonism Plus Syndromes (PPS) due to the similarity of symptoms and the lack of specific diagnostic tests. Specific biomarkers to help improve the accuracy of diagnosis and to separate these two entities are highly needed The histological hallmark for definite diagnosis of PD is the presence of fibrillar aggregates of phosphorylated alpha-synuclein called Lewy bodies (LBs) and Lewy neurites. Previous autopsy-based studies have revealed that alpha-synuclein is deposited in the peripheral autonomic nervous system including the enteric nervous system of the alimentary tract, cardiac plexus, adrenal medulla and skin. For this reason, in patients with parkinsonism, an alternative tool could be to demonstrate alpha-synuclein fibrillar aggregates in the skin, allowing early and appropriate diagnosis.
Age range
35 Years – 95 Years
Sex
ALL
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Demonstrate the Presence of Alpha-Synuclein Inclusions in the Skin of Parkinson's Disease and Compare With an Atypical Parkinsonism Group and With a Healthy Control Group.
Timeframe: An average of seven days.