A Case Report of Extraforaminal Stenosis at Lumbosacral Junction

We experienced a case of extraforaminal entrapment of the L5 nerve root at the lumbosacral junction. A 54-year-old man suffered from right sciatica and leg pain in the L5 nerve root distribution. He was completely relieved from pain after surgery for the decompression of the L5 nerve root. At the op...

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Published inOrthopedics & Traumatology Vol. 61; no. 3; pp. 547 - 550
Main Authors Nakai, Kenichiro, Fukuda, Fumio, Motojima, Yasuhito, Furuko, Tsuyoshi, Furukawa, Kayoko, Hijioka, Akihiko, Okada, Yasuaki, Toba, Naoki
Format Journal Article
LanguageJapanese
Published West-Japanese Society of Orthopedics & Traumatology 2012
Subjects
extraforaminal stenosis
far-out syndrome
L5 nerve root
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ISSN0037-1033
1349-4333
DOI10.5035/nishiseisai.61.547

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Summary:We experienced a case of extraforaminal entrapment of the L5 nerve root at the lumbosacral junction. A 54-year-old man suffered from right sciatica and leg pain in the L5 nerve root distribution. He was completely relieved from pain after surgery for the decompression of the L5 nerve root. At the operation, the inferior part of the L5 transverse process, a part of the sacral ara, and the lumbo-sacral ligament were removed. Although the diagnosis of the extraforaminal entrapment is difficult, L5 nerve root block provided temporary pain relief, L5 nerve rootgraphy, and axial and coronal CT after nerve rootgraphy were useful for diagnosing extraforaminal stenosis at the lumbosacral junction.
ISSN:0037-1033
1349-4333
DOI:10.5035/nishiseisai.61.547