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Background
Swallow tail sign (STS) on MRI is presumed to be an imaging biomarker of nigrosome‐1, which may exhibit a similar role as positron emission tomography (PET), indicating dopaminergic degeneration.
Purpose
To investigate whether an alteration of STS could serve as an alternative screening sign compared with PET in the diagnosis of early‐stage Parkinson's disease (esPD).
Study Type
Prospective...
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