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Items: 4

1.
Figure 4

Figure 4. From: Direction-changeable cage reduces X-ray exposure in treating isthmic lumbar spondylolisthesis: a retrospective study.

The principle of cage placement: A. Non-direction-changeable cage; B. Direction-changeable cage.

Haiping Zhang, et al. Am J Transl Res. 2019;11(2):1066-1072.
2.
Figure 1

Figure 1. From: Direction-changeable cage reduces X-ray exposure in treating isthmic lumbar spondylolisthesis: a retrospective study.

Insertion of the direction-changeable cage: A. Initial implanting position; B. Implanting position after rotation.

Haiping Zhang, et al. Am J Transl Res. 2019;11(2):1066-1072.
3.
Figure 3

Figure 3. From: Direction-changeable cage reduces X-ray exposure in treating isthmic lumbar spondylolisthesis: a retrospective study.

A 55-year-old female with L5/S1 isthmic spondylolisthesis was treated with a direction-changeable cage: A. Pre-operative lateral X-ray; B. Lateral X-ray 1 week after the operation; C. CT at the 3rd month after the operation, showing bone fusion.

Haiping Zhang, et al. Am J Transl Res. 2019;11(2):1066-1072.
4.
Figure 2

Figure 2. From: Direction-changeable cage reduces X-ray exposure in treating isthmic lumbar spondylolisthesis: a retrospective study.

A 45-year-old female with L4/5 isthmic spondylolisthesis was treated with a non-direction-changeable cage: A. Pre-operative lateral X-ray; B. Lateral X-ray 1 week after the operation; C. CT at the 3rd month after the operation, showing cage migration and bone non-fusion.

Haiping Zhang, et al. Am J Transl Res. 2019;11(2):1066-1072.

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