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Juxta-facet Cyst Associated with Conjoined Nerve Roots:A Case Report Naoki MATSUMOTO 1 , Nobuhiro SASAKI 1 , Miyuki FUKUDA 1 , Shigeo UEDA 1 , Minoru HOSHIMARU 1 1Spine Center, Tesseikai Neurosurgery Hospital Keyword: conjoined nerve roots , juxta-facet cyst , bony abnormality pp.539-543
Published Date 2015/6/10
DOI https://doi.org/10.11477/mf.1436203068
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 We report a case of a patient with a juxta-facet cyst and conjoined nerve roots. A 66-year-old man presented with left leg pain from the past 4 months. Neurological examinations revealed L5 and S1 radiculopathy on the left side. Magnetic resonance imaging(MRI)detected a mass lesion located near the left intervertebral joint at the level of L5/S1 and canal stenosis at the level of L3/L4. A juxta-facet cyst was diagnosed by arthrography. We performed a curettage and resection of the mass, posterior lumbar interbody fusion at the level of L5/S1, and laminectomy at the level of L3/L4. Conjoined left L5/S1 nerve roots were observed during surgery. The patient recovered from the symptoms of L5 and S1 radiculopathy immediately after surgery. Postoperative review of the preoperative computed tomography images revealed bony abnormality in the L5/S1 joint. We speculate that the bony abnormality may be associated with the development of conjoined nerve roots and the juxta-facet cyst.


Copyright © 2015, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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