Fig. 1From: Acute disc herniation following surgical decompression of lumbar spinal stenosis: a retrospective comparison of mini-open and minimally invasive techniquesa Preoperative lumbar MRI images of a 62-year-old male with chronic bilateral L5 radicular pain and neurological claudication due to severe L4–5 spinal stenosis. b Postoperative MRI images of the same patient following mini-open decompression (involving bilateral partial laminectomy) demonstrating acute paracentral disc herniationBack to article page