Image Type Vertebral Bone Quality (VBQ) Score Vertebral Endplate Defects Filum Terminale Thickness Epidural Fat Thickness Modic (Marrow Signal) Changes Cauda Equina Nerve Root Area X-Ray CT Scan MRI Scan Lumbar Spine Modic Endplate Changes (Type I, II, III) High-intensity Zone (HIZ) Conus Medullaris Level Disc Herniation Size Pfirrmann Classification (I-V) Foraminal Height and Width Cross-Sectional Area (CSA) of Spinal Canal Disc-Height Index (DHI) Anteroposterior (AP) Canal Diameter Lateral Recess Width/Depth Dural Sac CSA
