Delayed Neurologic Deficit due to Foraminal Stenosis following Osteoporotic Late Collapse of a Lumbar Spine Vertebral Body
Figure 3
T1- (a) and T2-weighted sagittal (b) magnetic resonance (MR) imaging performed after four months of conservative treatment of an 85-year-old woman with an L3 vertebral body fracture shows fluid collection in the L3 vertebral body, indicating L3 pseudoarthrosis with no spinal canal stenosis at the L3 level (arrowhead). T2-weighted axial MR image (c) shows spinal canal stenosis at the L3-L4 level with facet and ligamentum flavum hypertrophy. Parasagittal T1-weighted (d: Left side e: Right side) MR imaging showing foraminal stenosis with circumferential loss of perineural fat signal at the L3-L4 level, in contrast with the intense fat signal at the adjacent foraminal levels.
