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Erschienen in:
14.05.2018 | Correspondence
Bilateral Inferior Vestibular Nerve Lesion a Late Neurotoxic Effect of Liposoluble Myelographic Contrast Agent
Case Report with Imaging and Electrophysiological Confirmation
Erschienen in: Clinical Neuroradiology | Ausgabe 1/2019
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An 83-year-old man presented with a history of progressive imbalance and positional paroxysmal vertigo over the past 3 months. He reported no cochlear symptoms, headache or history of trauma, and no prior complaints of visual or postural symptoms. The otoneurological examination revealed no spontaneous, gaze-evoked, or positional nystagmus. The clinical head-impulse test (HIT) was pathologic when testing the posterior canals. A 3D video HIT (Fig. 1) confirmed a low gain of the vestibulo-ocular reflex (VOR) in the posterior canals. The neurological examination was otherwise unremarkable.
Fig. 1
3D video HIT results showing low VOR (vestibulo-ocular reflex) gain in the right and left posterior canals
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