[Pe-004] English Poster Session 004

[Pe-004-1] Clinical profile of early drug-naive Parkinson's disease aged >= 80 years at diagnosis

Keiko Hatano¹, Ryoji Goto², Masanori Kurihara¹, Ryoko Ihara¹, Mana Higashihara¹, Yasushi Nishina¹, Masashi Kameyama³, Kazutomi Kanemaru¹, Atsushi Iwata¹ (1.Department of Neurology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan, 2.Department of Neurology, the University of Tokyo hospital, Japan, 3.Department of Diagnostic Radiology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan)