Morphometry of the cervical vertebral pedicles as a guide for transpedicular screw fixation.
Anatomical measurements of the cervical pedicle in a large series of human cervical vertebrae from 48 individuals were obtained to reduce the incidence and severity of complications caused by transpedicular screw placement. The greatest pedicle length was at C-3 and the greatest pedicle width was at C-6. Pedicle width and lateral mass thickness gradually increased from C-3 to C-6. Pedicle height and interpedicular distance increased from C-3 to C-5, and decreased slightly at C-6. The lateral mass-pedicle length was greatest at C-4. The present study found right-left differences for the pedicle-spinous process distance at C-6 (p < 0.05). Pedicle width and height were smaller than those reported in earlier studies, especially at C-3 and C-4, whereas the increasing pedicle widths at C-5 and C-6 were appropriate for pedicle screw fixation.
Kayalioglu
Gulgun
G
Department of Anatomy, Ege University Faculty of Medicine, Izmir, Turkey. gulgun.kayalioglu@ege.edu.tr
Erturk
Mete
M
Varol
Tuncay
T
Cezayirli
Enis
E
D000328:Adult; D001863:Bone Screws; D002102:Cadaver; D002574:Cervical Vertebrae / Q000033:anatomy & histology* / Q000601:surgery*; D006801:Humans; D019637:Orthopedic Procedures