A 65-year-old man presents to your clinic after falling several times within the past few months. On examination, his most notable findings are an unstable, wide-based gait and marked retropulsion. He has bradykinesia with masked facies and dysarthria. You find no evidence of cogwheeling or resting tremor. His symptoms do not respond to levodopa/carbidopa. During the next few months, his eye movements are notable for the slowing of vertical saccades and fast phases. What is your diagnosis?
A. L-dopa-resistant Parkinson's disease B. Progressive supranuclear palsy C. Normal pressure hydrocephalus D. Amyotrophic lateral sclerosis ##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or adequacy of the information, including data…
