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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
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Sung Yong Choi, Yee Hyuk Kim
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Res Vestib Sci. 2015;14(2):55-59.
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 Abstract
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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.
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KBS
