1-normal spinal alignment & applied anatomy of the€¦ · 1 normal spinal alignment &...

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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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Important relation

•• Cord/BrainCord/Brain•• Vertebral arteryVertebral artery•• TracheaTrachea•• esophagusesophagus

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Thoracic spine

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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