Levodopa is the standard therapy for Parkinson disease(PD),however,with the progression of the disease and long-term treatment,levodopa-induced dyskinesia(LID)can occur,greatly reducing the quality of patients'life.PET brain molecular imaging can detect the uptake and distribution of imaging agents at the molecular level in vivo,thereby reflecting the brain function and metabolism of patients with PD complicated with LID,which is helpful for early clinical diagnosis and treatment.The research progresses of PET molecular imaging for PD complicated with LID were reviewed in this article.
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