Practicing clinicians can experience difficulty in differentiating between Parkinson disease and idiopathic normal pressure hydrocephalus. In this article, Morishita and colleagues consider the clinical features that might differentiate Parkinson disease from idiopathic normal pressure hydrocephalus, and highlight the usefulness of the levodopa challenge test in distinguishing between these two conditions.
- Takashi Morishita
- Kelly D. Foote
- Michael S. Okun
