medilaw.TV - Lumbar Spine Pathology Syndesmophytes ankylosing spondylitis rheumatology movies. Shows the progression of calcification of the soft tissues up the spine to form syndesmophytes and a 'bamboo' spine in ankylosing spondylitis. The spinal inflammation of ankylosing spondylitis starts in the lumbar or thoracolumbar spine and progresses upwards in a continuous fashion. Inflammation of the attachment points of the outer layers of the inter-vertebral disc’s annulus fibrosus leads to erosion of the adjacent bone This results in a loss of the normal concave contour of the anterior surface of the vertebral bodies, and gives them a squared appearance. Lumbar Spine Pathology Syndesmophytes ankylosing spondylitis rheumatology movies.

Once the inflammation settles, bone formation, known as calcification or ossification, of the outer annulus fibrosus occurs, producing a bony bridge called a syndesmophyte.

Over time these bony bridges extend anteriorly and laterally around the inter-vertebral disc, immobilizing the vertebral segment. The ossification can extend up the spine, producing the ‘bamboo spine’ appearance of the fused spine. Calcification of the inter-vertebral disc can also occur leading to a fused or ankylosed inter-vertebral joint. Lumbar Spine Pathology Syndesmophytes ankylosing spondylitis rheumatology movies.

Ossification of the adjacent soft tissues, the interspinous ligaments, and of the facet joint and costo-vertebral joint capsules, can also occur, further fusing the spine.

In the advanced stage, the spine usually fuses in a stooped posture, with loss of lumbar lordosis and accentuated thoracic kyphosis. Lumbar Spine Pathology Syndesmophytes ankylosing spondylitis rheumatology movies.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…