A new study by the University of Turku and Turku University Hospital, Finland, found that a significant proportion of Parkinson’s disease diagnoses are later corrected. Up to one in six diagnoses changed after ten years of follow-up, and the majority of new diagnoses were made within two years of the original diagnosis.
A recent study published in Neurology reveals significant diagnostic instability in Parkinson’s disease, with 13.3% of diagnoses revised over a 10-year follow-up period. When dementia with Lewy bodies (DLB) is treated as a separate diagnostic category, the revision rate increases to 17.7%.
The large-scale study followed over 1,600 patients initially diagnosed with Parkinson’s disease. The results demonstrate the ongoing difficulty of distinguishing it from other similar disorders,…