Opsoclonus 1-15

Example of patients with opsoclonus, a saccadic abnormality. Discussion of characteristics of opsoclonus, such as involuntary, rapid, brief, random, conjugate saccades. Discussion of possible causes, including brain stem encephalitis (as in first patient), a paraneoplastic effect, tumors, and drug toxicity. Thought to be related to a disorder of the pause cells. Demonstration of obsoclonic movement being brought out by shifts in gaze. Demonstration of patient, whose lateral cerebellar hemispheric function is not too bad, performing finger-outstretched finger test.
Kathleen B. Digre; Daniel Jacobson, MD;
Moran Eye Center Neuro-Ophthalmology Collection 1-15
Kathleen B. Digre, MD, Copyright 2015 From Moran CORE Collection: morancore.utah.edu