Applied anatomy and clinical significance of three-dimensional reconstruction of the lumbosacal plexus

doi:10.3969/j.issn.2095-4344.2016.53.006

Abstract

Abstract:

BACKGROUND: Conception of three-dimensional reconstruction of the lumbosacal plexus is confused, and actual physical anatomy is needed to confirm its range and area thus providing guidence for clinical pratice.

OBJECTIVE: To measu the range and area of three-dimensional reconstruction of the lumbosacal plexus using different definitions, thereby providing anatomical basis for minimally invasive technique of lumbar disc.

METHODS: Posterior dissections of the lumbosacral plexus were performed bilaterally on 20 embalmed adult cadavers. Particular attention was paid to dissect anterior branches of lumbar nerve, upper articular process and lower vertebrae. Bilateral nerve roots at each spinal level were identified, and dissected distally to expose the plexus. The length of bottom and height of three-dimensional reconstruction locating on the lateral upper articular process between L₃-S₁ and the lateral of dural sac were measured to calculate the area.

RESULTS AND CONCLUSION: (1) The area of three-dimensional reconstruction locating on the lateral upper articular process between L₃-S₁ ranged from 23.8 mm² to 30.7 mm²in males, and 18.7 mm² to 27.3 mm², respectively. The area of three-dimensional resconstruction locating on the lateral dural sac ranged from 92.4mm² to 103.7 mm², and 87.5 mm² to 102.7mm², respectively. (2) In conclusion, the area of three-dimensional reconstruction locating on the lateral upper articular process between L₃-S₁ and dural sac covers from 18.7 mm² to 30.7 mm², and from 87.5 to 103.7 mm², respectively, so operating in this triangle is safe.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Lumbosacral Plexus, Dissection, Intervertebral Disk, Tissue Engineering

CLC Number:

R318

Zhu Ai-guo, Chen Yun, Zhang Feng, Zhu Jian-wei, Jin Guo-hua. Applied anatomy and clinical significance of three-dimensional reconstruction of the lumbosacal plexus[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(53): 7946-7951.

Figures/Tables 2

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