Confirming Parkinson Disease Diagnosis: Patterns of Diagnostic Changes by Movement Disorder Specialists.
Marzieh KeshtkarjahromiDanielle S AbrahamAnn L Gruber-BaldiniKatrina SchraderStephen G ReichJoseph M SavittRainer Von CoellnLisa M ShulmanPublished in: Parkinson's disease (2022)
Over a 15-year period, movement disorder specialists changed their clinical diagnosis of PD in 6% of patients. The most common diagnostic switches, to or from PD, were DIP, MSA, PSP, and DLB. This study describes routine clinical diagnostic patterns in the absence of pathologic confirmation. The presence of diverse diagnostic changes over time underscores the value of confirming PD diagnosis.