The Cervical Spinal Canal Tapers Differently in Patients with Chiari I with and without Syringomyelia

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.

From the Departments of Radiology (A.T., A.M.d.R., V.H.) and Medical Physics (A.M.d.R.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Radiology (N.M., G.W.), Tufts University School of Medicine, Boston, Massachusetts; and Department of Radiology (J.R.H.), University of California San Diego, San Diego, California.