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KMID : 0860920110130020136
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Journal of the Korean Association EMG-Electrodiagnostic Medicine
2011 Volume.13 No. 2 p.136 ~ p.142
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Anterior Horn Cell Lesion Mimicking Lumbo-Sacral Polyradiculopathies - Report of Two Cases -
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Yun Hyung-Seok
Kwon Hee-Kyu
Lee Seok-Jun
Yoo Seung-Han
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Abstract
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The osteoporotic compression fracture developed in old age frequently accompanies degenerative change and/or spinal stenosis in lumbar spine. When the patient with compression fracture complains of pain and weakness of lower extremity, an accurate diagnosis of the causative lesion is critical for the treatment. We present two patients who developed pain and weakness of bilateral lower extremities accompanying voiding difficulty after having an operation of T12 vertebroplasty. Radiologic findings of these patients revealed posterior displacement of T12 vertebral body and lumbosacral spinal stenosis. The electrophysiologic findings were compatible with L5, S1 and S2 radiculopathies. We interpreted that these electrophysiologic findings were not caused by the lumbosacral root lesion, but by the involvement of anterior horn cell which contains both lumbar and upper sacral segments at the level of T12 vertebra. One patient was successfully treated with T12 decompressive laminectomy but the other refused to take the surgery.
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KEYWORD
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Osteoporotic compression fracture, Anterior horn cell, Lumbosacral radiculopathy
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