Occurrence of L4 Lumbar Artery Pseudoaneurysm After Posterior Reduction and L4-L5 Fusion for Grade I Anterolisthesis: A Case Report.

Iatrogenic lumbar artery pseudoaneurysms are a rare complication of spinal surgery. Our case is, to the best of our knowledge, the only reported case where this lesion occurred despite good positioning of the screws: It is therefore important to always suspect and exclude this complication in case of suggestive symptoms.