Spine

The December 2025 Spine Roundup 360 looks at: Obesity and lumbar spine fusion: what is the takeaway?; The Hounsfield unit: a radiological or useful threshold for predicting failures in lumbar fusion; Comparison between Hounsfield units and DXA in predicting lumbar cage subsidence; Preserve the midline? Insights from the Finnish spine registry; Postoperative NSAIDs following lumbar spinal fusion: a matched cohort study; Standalone lateral lumbar interbody fusion reduces the risk of adjacent segment surgery; The hidden cost of robotic spine surgery: real-world adverse events cause 58-minute delays and undermine economic viability.