Presentation
Post-operative CT study. Patient underwent surgery for nerve root decompression and discogenic symptoms.
Patient Data
Age: 65 years
Gender: Female
From the case:
Lumbar spinal fusion
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Axial bone window

CT shows signs of instrumentation involving the vertebral bodies from L2 to S1: interbody spaces (cages) in L2-L3, L3-L4 and L4-L5 and pedicle screws are connected by rods that span multiple vertebral segments (L2 to S1).