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Spondylolisthesis is classified as one of the six major etiologies: degenerative, traumatic, dysplastic, isthmic, pathologic, or post-surgical. [7] Spondylolisthesis most commonly occurs in the lumbar spine, primarily at the L5-S1 level, with the L5 vertebral body anteriorly translating over the S1 vertebral body. [7]
These cannot be determined by plain films, as the x-ray passes through the soft tissue. A study by Giles et al., stated that sixteen of the thirty patients (53%) had retrolisthesis of L5 on S1 ranging from 2–9 mm; these patients had either intervertebral disc bulging or protrusion on CT examination ranging from 3–7 mm into the spinal canal.
This stress fracture most commonly occurs where the concave lumbar spine transitions to the convex sacrum (L5-S1). A significant number of individuals with spondylolysis will develop spondylolisthesis, which is true for 50-81% of this population. [12] [3] Pars interarticularis marked with red lines
Lumbar spinal stenosis (LSS) is a medical condition in which the spinal canal narrows and compresses the nerves and blood vessels at the level of the lumbar vertebrae. Spinal stenosis may also affect the cervical or thoracic region, in which case it is known as cervical spinal stenosis or thoracic spinal stenosis.
52 year old male with a degenerative spondylolisthesis at L5 - S1. (A) CT sagittal view of a low grade slip. (B) Lateral radiograph pre-operative intervention. - (C) Surgically treated with L5 - S1 decompression, instrumented fusion and placement of an interbody graft between L5 and S1.
It is designed to treat patients diagnosed with common degenerative spinal diseases, including lumbar spinal stenosis, spondylolisthesis, and other facet joint conditions. One of the differences between the TOPS System and traditional fusion surgery is that the TOPS device allows the patient physical stability and a greater range of movement in ...
Anterolisthesis. Add languages. Add links. Article; Talk; English. Read; ... Download QR code; Print/export Download as PDF; ... This page was last edited on 10 April ...
The last decade of studies on Modic changes have shown that Modic changes are associated with many treatment-resistant pain episodes and may result in patients entering a state of chronic low back pain.