Cauda equina syndrome with urinary retention as a postoperative complication of lumbar spine surgery: A case report

Figure 1 Magnetic resonance imaging findings before and after spinal surgery. A: Preoperative magnetic resonance imaging (MRI); B: Postoperative day5 MRI showed decreased diameter of the spinal canal at L4-5 level with spinal stenosis, suspected local hematoma (arrow); C: MRI at 3 months later after the repeated exploration.

Figure 2 Postoperative cystometrogram. A: Postoperative cystometrogram at day 7 showed no bladder contraction even until the capacity to 424 mL and delay first sensation; B: Postoperative cystometrogram at 3 weeks showed some bladder contraction but high compliance.