Tethered Cord (TC) is a disorder in which the spinal cord is “stuck” to a structure within the spine such as dura, scar tissue from a previous operation, a bony spicule or even a tumor.ethered Cord. Tethered Cord Syndrome can be difficult to diagnose in babies and children since the symptoms may be subtle and insidious over time. The most common symptoms of tethered cord, such as back pain, abnormal gait and urinary accidents are frequently attributed to other causes during childhood.