Idiopathic downbeat nystagmus, decreasing with convergence

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Identifier DBN less with convergence
Title Idiopathic downbeat nystagmus, decreasing with convergence
Subject Convergence-Abnormal, Cerebellar Pathology, Downbeat nystagmus, Jerk nystagmus
Creator Daniel R. Gold, DO, Departments of Neurology, Ophthalmology, Neurosurgery, Otolaryngology - Head & Neck Surgery, The Johns Hopkins School of Medicine
Description This is a 25-yo-woman who experienced vertically oscillopsia for 1 year, and was found to have downbeat nystagmus. Interestingly, there were no other cerebellar ocular motor signs - e.g., normal saccades, smooth pursuit, VOR suppression, and no gaze-evoked nystagmus, although her (pure) downbeat was more prominent in right and left gaze. There was no appendicular ataxia and neurologic examination was otherwise normal. With convergence, her downbeat actually decreased (will usually increase with most downbeat nystagmus/cerebellar syndromes), and base out prism improved her oscillopsia mildly. Neuroimaging and work-up for paraneoplastic, toxic/metabolic, autoimmune/rheumatologic syndromes in addition to common spinocerebellar ataxias was unrevealing. Her examination was completely unchanged at 3 years. Number of Figures and legend for each: 0 Number of Videos and legend for each: 1, Patient with downbeat nystagmus, improved with convergence
Publisher Spencer S. Eccles Health Sciences Library, University of Utah
Date 2016
Type Image/MovingImage
Format video/mp4
Rights Management Copyright 2016. For further information regarding the rights to this collection, please visit: https://NOVEL.utah.edu/about/copyright
Collection Neuro-ophthalmology Virtual Education Library: NOVEL http://NOVEL.utah.edu
Language eng
ARK ark:/87278/s63234j3
Setname ehsl_novel_gold
Date Created 2016-09-07
Date Modified 2017-05-02
ID 187740
Reference URL https://collections.lib.utah.edu/ark:/87278/s63234j3
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