Diffuse lewy body disease presenting with supranuclear gaze palsy, parkinsonism, and dementia: A case report

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Abstract

A 67-year-old man with a family history of parkinsonism had visual complaints due to difficulty in convergence, which was followed 2 years later by development of bradykinesia and rigidity. The diagnosis of Steele Richardson-Olszewski syndrome was made on the basis of a supranuclear gaze palsy, bradykinesia, rigidity, and poor response to levodopa. However, subsequent neuropathological examination revealed diffuse Lewy body disease with no evidence of neurofibrillary tangles involving either subcortical or brain stem structures.

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