PMC7873739_01
Clinical case of a 38-years-old male patient suffering from low back pain. The patient previously underwent multiple surgeries at the L5-S1 level. A broken left sacral screw can be identified on the standing X-ray images of the patient (A. Coronal, B. Sagittal plane). Signs of non-union are identifiable in the intervertebral space on the CT scan images of the L5 vertebra and the sacrum (C. Coronal, D. Sagittal plane).
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F1
Medical imaging at admission (Figure 1) demonstrated a broken S1 left side pedicle screw deep in the sacral bone, and a non-union in the L5-S1 intervertebral space.