외림프누공 폐색술 후 수개월 뒤 발생한 특발성 체위성 현훈 1예
A Case of Paroxysmal Positional Vertigo Several Months After Perilymph Fistula Repair
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A perilymphatic fistula (PLF) is an abnormal leakage of the perilymph from the inner ear intothe middle ear. A PLF may be trauma-induced or may occur with unknown causes. PLF repairshould be considered when patients present with sudden or progressive sensorineural hearingloss with positional nystagmus. Although the leakage of perilymph is not always found duringthe exploration surgery, both hearing loss and dizziness tend to improve immediately afterPLF repair. However, about 24% of patients who underwent PLF repair reportedly have experiencedrecurrent vestibular symptoms, suggesting the possibility of PLF recurrence or othervertigo causes. In this PLF patient, dizziness completely subsided after the PLF repair. However,several months later, the disabling paroxysmal positional vertigo developed, which wasdiagnosed as benign paroxysmal positional vertigo. Reported herein, with a review of the relevantliterature, is a case of paroxysmal positional vertigo several months after PLF repair,where successful vertigo subsidence was finally achieved.
Abstract
A perilymphatic fistula (PLF) is an abnormal leakage of the perilymph from the inner ear intothe middle ear. A PLF may be trauma-induced or may occur with unknown causes. PLF repairshould be considered when patients present with sudden or progressive sensorineural hearingloss with positional nystagmus. Although the leakage of perilymph is not always found duringthe exploration surgery, both hearing loss and dizziness tend to improve immediately afterPLF repair. However, about 24% of patients who underwent PLF repair reportedly have experiencedrecurrent vestibular symptoms, suggesting the possibility of PLF recurrence or othervertigo causes. In this PLF patient, dizziness completely subsided after the PLF repair. However,several months later, the disabling paroxysmal positional vertigo developed, which wasdiagnosed as benign paroxysmal positional vertigo. Reported herein, with a review of the relevantliterature, is a case of paroxysmal positional vertigo several months after PLF repair,where successful vertigo subsidence was finally achieved.
참고문헌 (15)
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