Case Lumbar MRI in a 46-year-old man demonstrates a prominent extruded disc herniation at L4–L5. T1W Sagittal T2W Sagttal The disc material extends approximately 13 mm caudally from the disc space and occupies a substantial portion of the right paracentral epidural space. At this location, the anteroposterior diameter of the residual dural sac measures approximately 6 mm