Systematic ReviewPublished 7 October 2026Preoperative CT-derived Hounsfield unit values and mechanical complications after thoracolumbar or lumbar instrumented fusion: a systematic review and meta-analysisZhibo Song · Bo Zhou · Ni Bi · Li Zhang · Zhi Zhao · Yingsong WangFrontiers in Surgerydoi 10.3389/fsurg.2026.1909831