Image Type Rib-Vertebra Angle Difference (RVAD) Lipoma or Dermal Sinus Tract Conus Medullaris Level and Filum Terminale Thickness (Tethered Cord) Block Vertebra Assessment (fusion length and canal dimensions) Hemivertebra Morphometry (wedge angle, segmentation) Chiari Malformation X-Ray CT Scan MRI Scan Full Length Spine Diastematomyelia Syringomyelia