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Thoracic human vertebrae. Quantitative three-dimensional anatomy.

M M Panjabi1, K Takata, V Goel

  • 1Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, Connecticut.

Spine
|August 1, 1991
PubMed
Summary
This summary is machine-generated.

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This study quantifies the 3D anatomy of 144 thoracic vertebrae, revealing distinct upper, middle, and lower regions. The middle thoracic spine (T3-T9) is critical due to its narrow canal and vascular supply.

Area of Science:

  • Anatomy
  • Biomechanics
  • Orthopedics

Background:

  • The thoracic spine's complex anatomy necessitates detailed quantitative data for clinical applications.
  • Understanding regional variations is crucial for spinal surgery and modeling.

Purpose of the Study:

  • To provide a quantitative three-dimensional surface anatomy of thoracic vertebrae.
  • To identify distinct anatomical regions within the thoracic spine.
  • To offer data for improved mathematical modeling and clinical management of spinal issues.

Main Methods:

  • Quantitative analysis of 144 thoracic vertebrae.
  • Three-dimensional surface anatomy measurements.
  • Segmentation of the thoracic spine into upper, middle, and lower regions.

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Main Results:

  • The thoracic spine exhibits three distinct regions: upper, middle (T3-T9), and lower.
  • The middle region (T3-T9) is identified as critical due to a narrow spinal canal and significant vascular supply.
  • Detailed measurements (means and standard errors) for various vertebral components are provided.

Conclusions:

  • The quantitative anatomical data enhances understanding of the thoracic spine.
  • Accurate mathematical models of the spine can be developed using this data.
  • Clinical and surgical management of spinal problems can be improved through precise anatomical knowledge.