Fig. 4From: Delayed-onset radiculopathy caused by a retropulsed bone fragment after percutaneous kyphoplasty: report of four cases and literature reviewMRI of L2 compression fracture with posterior vertebral rim disruption (red arrow) (a). L2 PKP was performed, left L2 radiculopathy developed 2 weeks after surgery (b). MRI showing further protrusion of the posterior vertebral fragment posteriorly (c). Surgical decompression and T12-L4 instrumentation were performed (d)Back to article page