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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Pius (Department of Neurosurgery, College of Medicine, Chosun University) Ju, Chang Il (Department of Neurosurgery, College of Medicine, Chosun University) Kim, Hyeun Sung (Department of Neurosurgery, Suwon Nanoori Hospital) Kim, Seok Won (Department of Neurosurgery, College of Medicine, Chosun University)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제60권 제2호
발행연도
2017.1
수록면
220 - 224 (5page)

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초록· 키워드

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Objective : This study aimed to unravel the putative mechanism underlying the neurologic deficits contralateral to the side with lumbar disc herniation (LDH) and to elucidate the treatment for this condition. Methods : From January 2009 to June 2015, 8 patients with LDH with predominantly contralateral neurologic deficits underwent surgical treatment on the side with LDH with or without decompressing the symptomatic side. A retrospective review of charts and radiological records of these 8 patients was performed. The putative mechanisms underlying the associated contralateral neurological deficits, magnetic resonance imaging (MRI), electromyography (EMG), and the adequate surgical approach are discussed here. Results : MRI revealed a similar laterally skewed paramedian disc herniation, with the apex deviated from the symptomatic side rather than directly compressing the nerve root; this condition may generate a contralateral traction force. EMG revealed radiculopathies in both sides of 6 patients and in the herniated side of 2 patients. Based on EMG findings and the existence of suspicious lateral recess stenosis of the symptomatic side, 6 patients underwent bilateral decompression of nerve roots and 2 were subjected to a microscopic discectomy to treat the asymptomatic disc herniation. No specific conditions such as venous congestion, nerve root anomaly or epidural lipomatosis were observed, which may be considered the putative pathomechanism causing the contralateral neurological deficits. The symptoms resolved significantly after surgery. Conclusion : The traction force generated on the contralateral side and lateral recess stenosis, rather than direct compression, may cause the contralateral neurologic deficits observed in LDH.

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