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KMID : 0858520170210020109
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Journal of the Korean Society of Magnetic Resonance in Medicine
2017 Volume.21 No. 2 p.109 ~ p.113
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Extraforaminal Extrusion of Intervertebral Disc Misdiagnosed as Neurogenic Tumor: a Case Report
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Chun Se-Woong
Park Young-Seop
Heo Won
Baek Kyeong-Hee
Moon Jin-Il
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Abstract
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A 55-year-old male presented with dysesthesia of the right anteromedial thigh. A magnetic resonance image revealed a globular mass at the right extraforaminal area of the L3/4 level. Based on the diagnosis of neurogenic tumor, surgical excision was performed. The surgical impression and pathology confirmed extrusion of intervertebral disc. In a retrospective review of the magnetic resonance image, we noticed a fibrillary pattern directed from the intervertebral disc space to the lesion, and disrupted annulus fibrosus and indentation caused by the ring apophysis. We suggest aforementioned features, indicative of intervertebral disc lesions, to be checked when interpreting mass lesions around the intervertebral foramen.
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KEYWORD
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Intervertebral disc herniation, Extraforaminal, Extrusion, Neurogenic tumor, Magnetic resonance imaging
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