Isthmic spondylolisthesis, or spondylolisthesis due to a lesion of the pars interarticularis, is a common source of pain and disability in both the pediatric and adult population. This review ...

Ankylosing spondylitis (AS) is a type of arthritis that causes inflammation of joints in the spine. Spondylolisthesis occurs when one of the vertebrae slips out of place. These two conditions can ...