What is Lytic spondylolisthesis?

Lytic spondylolisthesis is a condition that occurs when there is a break in the posterior structures of the spine, typically at the Pars interarticularis. The spinal bones are connected by facet joints, similar to links in a metal chain. When either the “metal” (Pars) or the “links” (facets) break, it disrupts the continuity and causes the affected bone to slip, resulting in a condition known as spondylolisthesis. If the break occurs at the Pars, it is called lytic spondylolisthesis; if the facets are damaged, it is referred to as degenerative spondylolisthesis.

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