Legend Left: Sagittal T1WI shows diffuse high signal within the intradural space. The cauda equina appears to be displaced mostly anteriorly. Disk bulges are present at several levels. Right: Axial T1WIs show the abnormal high signal within the intradural space with mass effect on the nerve roots, which are displaced anteriorly and clumped together.

Legend Left: Axial T2WIs show mildly heterogeneous hyperintensity within the thecal sac. Right: Post contrast Sagittal and Axial T1WIs with fat saturation show no definite abnormal enhancement. The high signal within the intradural space does not suppress. Key words: mri lumbar trauma hemorrhage intradural

Spine Diagnosis: Subdural spinal hemorrhage