Fig. 3

A 73-year-old female patient (Grade III) presented with mild back pain due to trauma 4 months ago, and presented with increased pain and numbness and weakness in both lower limbs 1 month ago, accompanied by intermittent claudication. a Lumbar spine X-ray showed the height of the L4 vertebra was lost and the endplate collapsed; b Sagittal CT showed collapse of the L4 vertebral body, low-density shadow in the vertebral space, protrusion of fracture block into the spinal canal, and spinal stenosis at the same level; c MRI T2 showed abnormally low signal in the L4 vertebra, with obvious dural compression and spinal stenosis at the same level; d Postoperative X-ray showed that the patient underwent posterior decompression and bone graft fusion with cement-reinforced internal fixation