Figure 4: FFP 4b type fracture. The red arrows show the malposition of the sacroiliac screws anterior to the ala. The short red line shows the course of the L5 nerve. The conflict between the screws and the nerves is obviously.
Figure 4: FFP 4b type fracture. The red arrows show the malposition of the sacroiliac screws anterior to the ala. The short red line shows the course of the L5 nerve. The conflict between the screws and the nerves is obviously.