In some cases, dysplastic (type I) spondylolisthesis is detected ... the Real Federación Española de Tenis and the Federació Catalana de Tennis in whom spondylolysis with or without spondylolisthesis ...

Background and Aim: Several health economic evaluations have explored the cost-effectiveness of endoscopic surveillance for patients with non-dysplastic Barrett's esophagus, with conflicting results.