Persistent Down-Beating Torsional Positional Nystagmus: Posterior Semicircular Canal Light Cupula?

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/criot/volume-2016/1249325/figures/1249325.fig.002a.svgz" name="1249325.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Supine position</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/criot/volume-2016/1249325/figures/1249325.fig.002b.svgz" name="1249325.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Sitting position</td></tr></table>

<div>A light cupula of the right posterior semicircular canal. Arrows indicate the deflection of the cupula. U: utricle.</div>

Case Reports in Otolaryngology

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Figure 2

Figure 2: Persistent Down-Beating Torsional Positional Nystagmus: Posterior Semicircular Canal Light Cupula? 