what is underlying spondylolisthesis
Minimally Invasive Spine Surgery for Spondylolisthesis. Spondylolisthesis is a condition of the spine characterized by the forward displacement of a vertebra over an underlying vertebra.A significant displacement can cause a compression of the spinal nerves resulting in pain.inimally Invasive Spine Surgery for Spondylolisthesis. Spondylolisthesis is a condition of the spine characterized by the forward displacement of a vertebra over an underlying vertebra.