Fig. 6.

A 60 years old male patient who under PELD (L₅S₁) and had LBP and neurogenic claudication before the operation. (A), (B) and (C) Sagittal and axial preoperative MRI of the lumbar spine showed the L₅S₁ disc herniation and spinal stenosis. (D), (E) and (F) Postoperative MRI indicated that the spinal canal is clear and the herniated disc had been removed clearly. On the first postoperative day, the patient suffered from right lower limb pain that he did not have before the operation, and the lower limb pain abated in 1 week.