Original ArticleMorphologic Evaluation of Cervical Spine Anatomy with Computed Tomography: Anterior Cervical Plate Fixation ConsiderationsKwon, Brian K. MD, FRCSC; Song, Frederick BSc; Morrison, William B. MD; Grauer, Jonathan N. MD; Beiner, John M. MD; Vaccaro, Alexander R. MD; Hilibrand, Alan S. MD; Albert, Todd J. MDAuthor Information From the *Department of Orthopaedic Surgery, Thomas Jefferson University, and The Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania, †Jefferson Medical College, Philadelphia, Pennsylvania, and ‡Thomas Jefferson University Hospital, Philadelphia, Pennsylvania. Drs Kwon, Grauer, and Beiner are Orthopaedic Spine Fellows (Department of Orthopaedic Surgery, Thomas Jefferson University and Rothman Institute, Philadelphia, PA, USA). Dr Kwon is a Gowan and Michele Guest Neuroscience Canada Foundation/CIHR Research Fellow (ICORD, University of British Columbia, Vancouver, BC, Canada). Received for publication May 19, 2003; accepted July 28, 2003. Reprints: Brian K. Kwon, MD, FRCSC, Department of Orthopaedics, University of British Columbia Combined Neurosurgical and Orthopaedic Spine Program (CNOSP), International Collaboration on Repair Discoveries (ICORD), D6 Heather Pavilion, Vancouver General Hospital, 2733 Heather St., Vancouver, BC, Canada V5Z 3J5 (e-mail: firstname.lastname@example.org). Journal of Spinal Disorders: April 2004 - Volume 17 - Issue 2 - p 102-107 Buy Abstract The computed tomography (CT) studies of the cervical spine from 50 males and 50 females were reviewed to provide morphometric data on a variety of anatomic parameters relevant to anterior cervical reconstruction and fixation. Measurements were made of the vertebral body width and midsagittal anteroposterior (AP) diameter and the distance between the medial borders of the longus coli muscles. Distances between adjacent endplates were also measured, both at their midpoint and at the anterior margin. Widths of the vertebral bodies measure 24.6 ± 2.4 and 23.0 ± 2.4 mm in males and females, respectively, with the narrowest measuring 17 and 14, respectively. The average midsagittal AP diameter of each vertebral body in males was approximately 17–18 mm, with the smallest AP diameter measured to be 13 mm. The average midsagittal AP diameter of each vertebral body in females was approximately 15–16 mm, with the smallest being 10 mm. CT scanning provides excellent osseous detail for the measurement of such parameters, and with its widespread use in the evaluation of cervical disorders, large numbers of patients can be reviewed. Copyright © 2004 Wolters Kluwer Health, Inc. All rights reserved.