Res Vestib Sci.
2015 Jun;14(2):55-59. 10.0000/rvs.2015.14.2.55.
Transition from Canalolithiasis to Cupulolithiasis by the Head-Bending Posture and Canalith Repositioning by Using the Side-Lying Position in Benign Paroxysmal Positional Vertigo of Horizontal Semicircular Canal
- Affiliations
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- 1Department of Otorhinolaryngology-Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea. yhukim@cu.ac.kr
- KMID: 1967465
- DOI: http://doi.org/10.0000/rvs.2015.14.2.55
Abstract
- Benign paroxysmal positional vertigo is the most common disease of the peripheral vestibular disorder. A 51-year-old man showed geotropic horizontal nystagmus in the head roll test. After head-bending posture, the nystagmus of the patient was changed to apogeotropic horizontal nystagmus in the head roll test. We concluded that transition of canalolithiasis into cupulolithiasis happened during head-bending posture. The cupulolithiasis was returned to canalolithiasis by using side-lying position with the affected ear downward for approximately 45 minutes.
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