Macedo, F.2012-06-252012-06-252011-09Nascer e Crescer 2011; 20(3): 150-1510872-0754http://hdl.handle.net/10400.16/1044We present a case of an 11 year old girl in whom an x-ray of the vertebral column was performed to investigate back pain. Spine x-ray showed spondylolysis and spondylolisthesis at L5-S1. Spondylolylis is one of the most common causes of back pain in older children and adolescents. The diagnosis is usually made by x-ray and/or CT.porspondylolisthesisspondylolysisjournal article