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KMID : 0361020160590070537
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Korean Journal of Otolaryngology - Head and Neck Surgery
2016 Volume.59 No. 7 p.537 ~ p.541
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A Case of Free-Floating Endolymph Particle Found during Transmastoid Posterior Semicircular Canal Occlusion for Intractable Posterior Canal Benign Paroxysmal Positional Vertigo
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Park Ji-Su
Lee Seung-Hun
Park Yong-Ho
Choi Jin-Woong
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Abstract
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Benign paroxysmal positional vertigo (BPPV) is a common inner ear cause of vertigo, most of which can be treated by particle repositioning maneuver (PRM). However, in rare cases, positional vertigo could persist or frequently recur after several PRM. In these intractable cases, surgical treatments including singular neurectomy and semicircular canal occlusion have been used. Posterior semicircular canal occlusion has some advantages over singular neurectomy in hearing preservation and feasible surgical technique. Also free-floating endolymph particles causing intractable BPPV are known to occur in about 20% of the cases during canal occlusion surgery. Nevertheless, to the best of our knowledge, there has not been any report on the identification of those particles in the Korean literature. In this paper, we report a case of free-floating endolymph particle found during transmastoid posterior semicircular canal occlusion for intractable posterior canal BPPV.
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KEYWORD
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Benign paroxysmal positional vertigo, Intractable vertigo, Semicircular canal occlusion
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