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Forward displacement of a vertebra upon the one below as a result of a bilateral defect in the vertebral arch, or erosion of the articular surface of the posterior facets due to degenerative joint disease.



the forward displacement of the spine in man as a result of degenerative changes in an intervertebral disk or spondylolysis (congenital aplasia of a vertebral arch). The displacement of the fifth lumbar vertebra over the sacrum is the most common form of spondylolisthesis. The disease develops slowly over several years; however, it may sometimes appear suddenly after a trauma. Its development is promoted by other diseases of the spine, including spondylosis, by heavy physical labor, and by an increase in body weight. The disease is manifested by pain and limited mobility in the corresponding segment of the spine. Roentgenologic examination is important in diagnosing spondylolisthesis. Treatment is complex and includes special work arrangements, kinesitherapy, and the use of corsets that relieve strain. Osteoplasty is performed if vertebral displacement is pronounced.

References in periodicals archive ?
They reported that BMD at axial and appendicular sites was higher than in those with no listhesis at L3-L4, was similar at L4-L5, and was lower at L5-S1.
According to our hypothesis, degenerative changes and shear stress affected mostly L5 vertebrae and gave rise to increase in BMD since spondylolysis and listhesis were mostly detected at this level.
In conclusion, pedicular screw rod system with posterolumbar fusion with bone substitute is safe, promising and appealing technique, especially in low-grade listhesis.
ovarian sprain cysts) Degenerative Disc Disease Renal disease Isthmic spondylolysis/ SIJ dysfunction listhesis Ring apophyseal injury Hip pathology (adolescents) Stress fracture of sacrum/ Abdominal Aortic Aneurysm Facet (14) Disc Herniation Fracture of vertebrae Infection Sacralization of L5 Table 2.
Also among all of our patients 55% of them had Grade I listhesis and 45% had Grade II listhesis.
The second most common causes found were sacroilitis and spondylolysis with or without listhesis.