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HOME > Res Vestib Sci > Volume 14(2); 2015 > Article
Case Report 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
Sung Yong Choi, Yee Hyuk Kim

DOI: https://doi.org/
Department of Otorhinolaryngology-Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea. yhukim@cu.ac.kr
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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.


Res Vestib Sci : Research in Vestibular Science