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Meninges and Compartments
Kevin R. Moore, MD
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TERMINOLOGY

  • Definitions

    • Meninges = collective term for dura, arachnoid, pia
      • Pachy ("thick") meninges = dura
      • Lepto ("thin") meninges = arachnoid, pia
    • Spaces = real or potential spaces between meningeal layers or adjacent structures
    • Ligaments = suspend spinal cord within thecal sac
    • Compartments = anatomic construct for location-based imaging differential diagnoses

GROSS ANATOMY

  • Overview

    IMAGING ANATOMY

    • Overview

      ANATOMY IMAGING ISSUES

      • Questions

        • Imaging Recommendations

          • Imaging Pitfalls

            Related Anatomy
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            Related Differential Diagnoses
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            References
            Tables

            Tables

            TERMINOLOGY

            • Definitions

              • Meninges = collective term for dura, arachnoid, pia
                • Pachy ("thick") meninges = dura
                • Lepto ("thin") meninges = arachnoid, pia
              • Spaces = real or potential spaces between meningeal layers or adjacent structures
              • Ligaments = suspend spinal cord within thecal sac
              • Compartments = anatomic construct for location-based imaging differential diagnoses

            GROSS ANATOMY

            • Overview

              IMAGING ANATOMY

              • Overview

                ANATOMY IMAGING ISSUES

                • Questions

                  • Imaging Recommendations

                    • Imaging Pitfalls