Delayed arterial symptomatic epidural hematoma on the 14th day after posterior lumbar interbody fusion: A case report

Figure 4 Post-operative radiographs. The satisfactory positions of the lumbar spine internal fixation and fusion cage on post-operative 4-d. A: The post-operative 4-d anterior position radiograph; B: The post-operative 4-d lateral position radiograph. R: Right direction.