From: Lateral lumbar interbody fusion after reduction using the percutaneous pedicle screw system in the lateral position for Meyerding grade II spondylolisthesis: a preliminary report of a new lumbar reconstruction strategy
Case
Level of Spodylolisthesis
Meyerding classification
Fusion level
Follow-up period (mos.)
1
L4
Grade II
L4–5
19
2
3
L3–5
18
4
14
5
12
6
10