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TitleDescriptionType
226 Bilateral INOs and partial 3rd nerve palsiesThis is a 45-year-old man with progressive ptosis and ophthalmoparesis. 10 years prior to presentation, he experienced diplopia and had a hyperintense lesion involving the medial longitudinal fasciculus (MLF) per report. Over time, he developed bilateral adduction paresis, ptosis and upgaze paresis ...
227 Bilateral pseudo-abducens palsies due to midbrain strokeThis is a man who suffered right>left midbrain strokes due to endocarditis complaining of ptosis and inability to move his eyes as well as hallucinations (peduncular hallucinosis). There was a presumed nuclear 3rd nerve palsy on the right (i.e., responsible for his mydriatic pupil, absent supra- and...Image/MovingImage
228 Bruns nystagmus due to a cerebellopontine angle tumorThis is a 15-yo-girl who experienced headache and imbalance leading to an MRI which showed a left sided cerebellopontine angle (CPA) tumor. Because of involvement of the left brainstem/cerebellum (e.g., dysfunction of the neural integrator/gaze holding apparatus) by the CPA mass, there was left-beat...
229 Central 4th nerve palsy with contralateral Horner's syndromeThis is a 60-yo-woman who presented with a complaint of diplopia. Examination demonstrated a left hypertropia that worsened in right and down gaze as well as in left head tilt, and a left 4th nerve palsy was diagnosed. There was also evidence of a mild motility deficit in down/medial gaze OS, consis...Image/MovingImage
230 Downbeat (perverted) head shaking nystagmus in a patient with spontaneous torsional nystagmusThis is a 75-year-old woman with vascular risk factors who experienced abrupt onset imbalance and dizziness. Symptoms were maximal at onset, and she denied progression over 6 months. Clinically, it was felt that she had suffered a stroke, although an MRI one months later demonstrated an unremarkable...
231 Approach to the Ocular Motor and Vestibular History and ExaminationHistory and examination of ocular motor and vestibular.
232 The acute vestibular syndrome with dysarthria, dysphagia, dysphonia, hemi-ataxia, and saccadic dysmetria due to the lateral medullary (Wallenberg) syndromeThis is a 50-year-old woman with the acute onset of vertigo, dysarthria, dysphagia and dysphonia/hoarseness (nucleus ambiguus), ptosis and imbalance. Her examination localized to a left lateral medullary (Wallenberg) syndrome - there was decreased sensation on the left side of the face (spinal trige...
233 Anti-GAD associated cerebellopathy and bilateral vestibulopathyThis is a 70-year-old woman with the subacute onset of severe imbalance and dizziness. On her initial examination, she had prominent gaze-evoked nystagmus and bilateral vestibular loss. Smooth pursuit was saccadic, although her vestibulo-ocular reflex (VOR) suppression was much smoother. Usually pur...
234 Anterior canal BPPVAlthough the anterior canal (AC) variant of benign paroxysmal positional vertigo (BPPV) is rare, mainly owing to its orientation relative to gravity (which makes otoconial debris much less likely to enter it), it can occur. Because of the relatively para-sagittal orientation of the AC (more so than ...
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