J Pain Res. 2016; 9: 17–22. Published online 2016 Jan 12. doi: 10.2147/JPR.S96754 PMCID: PMC4716715 Bruno Bordoni and Fabiola Marelli Abstract Failed back surgery syndrome (FBSS) is a term used to define an unsatisfactory outcome of a patient who underwent spinal surgery, irrespective of type or intervention area, with persistent pain in the lumbosacral region with […]