title: The use of CT in the development and implementation of a preoperative protocol to aid in pedicle screw placement during scoliosis surgery.
abstract: Scoliosis surgical constructs, using pedicle screws, provide increased fixed penetrable points for rod attachment. This allows improved curve correction and increases hardware stability. We have implemented a multidetector CT evaluation of the spine with post-process image manipulation to aid pedicle screw placement for deformity correction. Preoperative scanning was done with a Philips Brilliance 16 multislice CT scanner. The created image dataset provided valuable preoperative information regarding pedicle morphology, suitability for screw placement and preoperative screw planning. Projected intraoperatively, the images increased the surgeon's confidence during screw placement, especially in large deformities with severe rotation. Improving pre- and intraoperative pedicle information is a valuable tool in operative management of children with spinal deformity.
authors.affiliation: Department of Radiology, British Columbia Children's Hospital, 4480 Oak Street, Vancouver, BC V6H3V4, Canada. djamieson@cw.bc.ca
authors.forename: Douglas
authors.initials: D
authors.lastname: Jamieson
authors.forename: Angeliki
authors.initials: A
authors.lastname: Perdios
authors.forename: Renjit
authors.initials: R
authors.lastname: Varghese
authors.forename: Christopher W
authors.initials: CW
authors.lastname: Reilly
mesh_terms: D001863:Bone Screws; D002648:Child; D006801:Humans; D021621:Imaging, Three-Dimensional; D010347:Patient Care Planning; D011857:Radiographic Image Interpretation, Computer-Assisted; D012600:Scoliosis / Q000000981:diagnostic imaging* / Q000601:surgery*; D014057:Tomography, X-Ray Computed / Q000379:methods*