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Normative MR cervical spinal canal dimensions.

Erika J Ulbrich1, Christian Schraner, Chris Boesch

  • 1From the Department of Diagnostic, Interventional and Pediatric Radiology (E.J.U., C.S., S.E.A., S.E.), Department of Emergency Medicine (H.Z.), and Department of Neurology (M.S.), University Hospital and University of Bern, Inselspital, Bern, Switzerland; Department of Radiology, University Hospital Zurich, Rämistrasse 100, 8091 Zurich, Switzerland (E.J.U., J.H.); and Departments of Clinical Research and Radiology (C.B.) and Institute of Social and Preventive Medicine (A.B.), University of Bern, Bern, Switzerland.

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Summary
This summary is machine-generated.

Normal cervical spinal canal and cord dimensions vary by spinal level, sex, and height. Age has a minor effect. These findings establish normative ranges for clinical reference.

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Area of Science:

  • Radiology
  • Anatomy
  • Medical Imaging

Background:

  • Cervical spinal canal and cord dimensions are critical for diagnosing neurological conditions.
  • Establishing normative data is essential for accurate interpretation of imaging studies.

Purpose of the Study:

  • To establish normal values for cervical spinal canal and spinal cord dimensions.
  • To analyze these dimensions across different spinal levels, ages, sexes, and body heights.

Main Methods:

  • Prospective multicenter study involving 140 healthy volunteers.
  • Cervical spine MRI scans analyzed by two independent raters.
  • Midsagittal diameters and areas of the spinal canal and cord measured at C1, C3, and C6 levels.

Main Results:

  • Significant associations found between dimensions and spinal level, sex, and body height.
  • Age demonstrated a limited but significant influence.
  • Normative ranges for canal and cord dimensions were defined for various demographic and spinal levels.

Conclusions:

  • Cervical spinal canal and cord dimensions in healthy individuals are influenced by spinal level, sex, age, and height.
  • The study provides crucial normative data for clinical and research applications.
  • Supplemental online material offers detailed data for specific patient profiles.