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Acute Sciatica from Sacral Screw Impingement on the Lumbosacral plexus : Emphasis on the Safe Zones for Sacral Screw placement - Case Report -
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µµÀç¿ø/Jae Won Doh
º®¹ÚÀå/EdwardC.Benzel/Bark Jang Byun/Edward C. Benzel
KMID : 0359819970260020173
Abstract
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The authors present the case of sciatica due to bicortical sacral screw impingement on
the lumbosacral plexus across the anterior sacrum. The placement of sacral screw
across the anterior sacral cortex carries significant inherent risks to neurovascular and
visceral structures. However, the clinical reports of lumbosacral plexus involvement by
the misplaced screw are not well documented in the literature. This is an unique case of
sciatica due to sacral screw impingement on the lumbosacral plexus after motor vehicle
accident(MVA), and confirmed by CT scan and intraoperative electrical stimulation, We
reviewed sacral anatomy and preventive measures for avoiding complication of this type
are discussed,
Å°¿öµå
Sacrum; Screw penetration; Lumbosacral plexus; Sciatica; Safe zone.;
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