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Normal Spinal Alignment & Applied Anatomy of the Spine
KO KwokKO KwokSpine teamSpine team
Department of O&TDepartment of O&TPrince of Wales HospitalPrince of Wales Hospital
22nd April, 200722nd April, 2007
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Alignement
•• LordosisLordosis ::•• CervicalCervical•• Lumbar (40Lumbar (40--80)80)
•• KyhosisKyhosis ::•• Thoracic(20Thoracic(20--50)50)
•• ScoliosisScoliosis
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Cervical spine
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9 10
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Important relation
•• Cord/BrainCord/Brain•• Vertebral arteryVertebral artery•• TracheaTrachea•• esophagusesophagus
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Thoracic spine
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15 16
Important relation
•• LungLung•• CardiacCardiac•• AortaAorta•• Inferior Vena cavaInferior Vena cava•• CordCord
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Lumbar spine
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Important relation
•• ConusConus medullarismedullaris•• Lumbar nerve rootLumbar nerve root•• Aorta/ common iliac arteryAorta/ common iliac artery•• IFC/ Common iliac veinIFC/ Common iliac vein
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Conclusion
•• Complicated anatomy Complicated anatomy •• 3D based image3D based image•• Essential in image interpretation and Essential in image interpretation and
surgerysurgery•• Important structure relation:Important structure relation:
great vessel, cord, esophagus , trachea, great vessel, cord, esophagus , trachea, cardiccardic and lung.and lung.
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END