Fig. 4

a The lateral view of the preoperative radiography of lumbar spine showing that the L3 vertebral height was significantly decreased and the lumbar lordosis was lost; b, c, d: Preoperative MRI and CT of lumbar spine manifesting a burst fracture of L3 vertebral body and encroachment of the central canal and left lateral recess on L3 vertebra; e: Postoperative cross-sectional MRI showing a well decompression of the central lateral and lateral recess; f: Postoperative lateral radiography showing a satisfactory reduction of L3 vertebral body height and an increase in lumbar lordosis