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solid L4-5 interbodyFusion, L5-S1 vacuumPhenomenon,L3-4 deg. Spondylolisthesis,L3-4 IPD
Sentinel sign
Radiolucent line (halo sign) around S1 pedicle screw
Posterior migration of L5-S1 interbody fusion PEEK cage
CASE 17
1. FRACTURE OF L3 AND L5
ISTHMUS WITH
SPONDYLOLISTHESIS
2. L3-4 DEGENERATIVE DISC
WITH VACUUM PHENOMENON
3. RETROLISTHESIS OF L2
OVER L3