In-Seok Park, M.D.*, Seung-Hee Na, M.D.*, Young-Do Kim, M.D.*, In-Uk Song, M.D.*, Lee-So Maeng, M.D.†, YoungSoon Yang, M.D.‡ Department of Neurology* and Pathology†, College of Medicine, The Catholic University of Korea, Seoul; Department of Neurology‡, Veterans Hospital, Seoul Medical Center, Seoul, Korea There are a variety of different causes of parkinsonism including PD, secondary parkinson...