It is reported the initial surgery l5-s1 arthrodesis was performed (b)(6) 2012.Four screws, two rods, and four blockers were implanted.During a routine follow up x-ray on (b)(6) 2014 a broken screw was discovered.The patient began having pain in 2015.On (b)(6) 2016 a revision surgery was performed due to pain.The broken screw was in the pedicle of s1.Fusion did not occur.All hardware was removed and replaced, however a portion of the screw remained in the patient.The patient was fixated l4,-l5 and ilium using a different system.
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