Mod7_CAD - Click to edit Master subtitle style 8/23/10...

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Unformatted text preview: Click to edit Master subtitle style 8/23/10 Computer-aided diagnosis Kien A. Hua University of Central Florida 8/23/10 Outline Background: lumbar spinal stenosis l Our prior research - CAD using X-ray l A new system using MRI l Performance Results 8/23/10 Spine Anatomy Spine consists of a column of bones called vertebrae First three sections of the spine: Cervical Spine : Neck C1 through C7 Thoracic Spine : Upper and mid back T1 through T12 33 Thorac ic Cervic al Sacru m 8/23/10 I nter ver tebr al Disc Between every two vertebrae is a gel-like intervertebral disc Toug h outer shell Jelly- like nucleus 8/23/10 Facet Joints Each vertebra has two sets of facet joints, one pair facing upward and one downward l Facet joints are hinge-like and connect the two vertebrae together l Facet joints and discs allow the spine to bend and twist Flexion (bending forward) Extension (bending backward) Facet joint facing up Facet joint facing down 8/23/10 Spinal Cord Each vertebra has a hole through it These holes line up to form the spinal canal A large bundle of nerves called the spinal cord 66 Hole Holes line up 8/23/10 I nter ver tebr al Lumbar canal is the vertical space within the spinal column which contains the spinal cord l Nerves travel through the spinal canal and exit the canal through small pathways on the sides, called intervertebral foramina. l Foramen provides a passage for a spinal nerve Image courtesy of St. Josephs Hospital Health Center 8/23/10 Spinal Nerves Spinal cord has 31 segments; and a pair of spinal nerves exits from each segment These nerves carry messages between the brain and the various 88 8/23/10 Spinal Cord is Shor ter Spinal cord is much shor ter than the length of the spinal column Spinal cord extends down to only the last of the thoracic ver tebrae Nerves that branch from the spinal cord from the lumbar level must run in the ver tebral 99 8/23/10 Sizes of Spinal Segments Nerve cell bodies...
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This note was uploaded on 08/22/2010 for the course COP 6731 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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Mod7_CAD - Click to edit Master subtitle style 8/23/10...

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