title: Problematic retrieval of cervical polyaxial screws.
abstract: The author describes a simple solution for retrieving a cervical polyaxial screw that could not otherwise be easily extracted.
authors.affiliation: Department of Neurosurgery, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. r.bartels@nch.umcn.nl
authors.forename: Ronald H M A
authors.initials: RH
authors.lastname: Bartels
mesh_terms: D000368:Aged; D001863:Bone Screws; D002574:Cervical Vertebrae; D020878:Device Removal / Q000379:methods*; D004867:Equipment Design; D006801:Humans; D008297:Male; D013122:Spinal Diseases / Q000601:surgery*; D013123:Spinal Fusion / Q000295:instrumentation*