title: Bilateral three-level lumbar spondylolysis repaired by hook-screw technique.
abstract: We report a case of bilateral three-level lumbar spondylolysis that was directly repaired by use of hook-screw technique. The patient complained of low back pain for 2 years that progressively worsened and was exacerbated with standing and walking. He also mentioned bilateral sciatalgia. The neurological examination was normal. Interestingly, we found bilateral lumbar spondylolysis in L3, L4, and L5 levels in imaging studies. After proving that spondylolysis was the source of the low back pain by local anesthetic agent injection, we used a direct technique for correction of spondylolysis by use of a hook-screw device plus decortications of lysis area and iliac crest autograft. We assessed the patient after surgery to evaluate pain recovery and fusion rate. The results were favorable and proved the efficacy of the hook-screw technique for treatment of symptomatic multilevel lumbar spondylolysis.
authors.affiliation: Department of Neurosurgery, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Guive
authors.initials: G
authors.lastname: Sharifi
authors.affiliation: Department of Neurosurgery, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Amin
authors.initials: A
authors.lastname: Jahanbakhshi
authors.affiliation: Department of Neurosurgery, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Behnam
authors.initials: B
authors.lastname: Daneshpajouh
authors.affiliation: Iranian Neurospine Association, Tehran, Iran.
authors.forename: Abolfazl
authors.initials: A
authors.lastname: Rahimizadeh
keywords: hook-screw; low back pain; spondylolysis