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Lumbosacral Intervertebral Foraminal Stenosis with Associated Intra and Extra Spinal Gas. Case Report Yuji Hatakeyama 1 , Yoichi Shimada 2 , Naohisa Miyakoshi 2 , Yuji Kasukawa 2 , Seietsu Senma 1 , Yuichiro Narita 1 , Seiya Miyamoto 1 , Moto Kobayashi 1 , Tsuyoshi Shirahata 1 1Department of Orthopaedic Surgery, Nakadori General Hospital 2Department of Orthopaedic Surgery, Akita University Graduate School of Medicine Keyword: 硬膜外ガス , epidural gas , 椎間板真空現象 , vacuum phenomenon , 腰部神経根症 , lumbar nerve root compression pp.179-183
Published Date 2010/2/25
DOI https://doi.org/10.11477/mf.1408101684
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 A 70-year-old woman had a 4-year history of pain in the left buttock and lateral leg. The patient had been diagnosed with left L5 radiculopathy secondary to L5-S1 lateral stenosis. She had been treated conservatively, and her symptoms had improved. After a fall in May 2008, the left leg pain became severe. Plain lumbosacral radiographs showed narrowed intervertebral disc spaces and intradiscal gas (vacuum phenomenon) from L2-3 to L5-S1. MRI T1- and T2-weighted images revealed a low, rounded lesion at the entrance of the left L5-S1 foramen and extraforamen. Computed tomographic myelography revealed gas collection inside and outside the spinal canal at L5-S1. Monoportal PLIF at L5-S1 resulted in complete pain relief.


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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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