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Pia and Perivascular Spaces
Anne G. Osborn, MD, FACR
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Terminology

  • Abbreviations

    • Perivascular spaces (PVSs)
    • Subarachnoid space (SAS)
    • Cerebrospinal fluid (CSF)
    • Interstitial fluid (ISF)
  • Synonyms

    • Virchow-Robin spaces (VRSs)
  • Definitions

    • Pial-lined, ISF-filled structures that accompany vessels entering (penetrating arteries) or leaving (draining veins) cerebral cortex

Gross Anatomy

  • Overview

    Imaging Anatomy

    • Overview

      • Anatomy Relationships

        • Internal Contents

          • Normal Variants, Anomalies

            Anatomy Imaging Issues

            • Imaging Recommendations

              • Imaging Pitfalls

                Related Anatomy
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                Related Differential Diagnoses
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                References
                Tables

                Tables

                Terminology

                • Abbreviations

                  • Perivascular spaces (PVSs)
                  • Subarachnoid space (SAS)
                  • Cerebrospinal fluid (CSF)
                  • Interstitial fluid (ISF)
                • Synonyms

                  • Virchow-Robin spaces (VRSs)
                • Definitions

                  • Pial-lined, ISF-filled structures that accompany vessels entering (penetrating arteries) or leaving (draining veins) cerebral cortex

                Gross Anatomy

                • Overview

                  Imaging Anatomy

                  • Overview

                    • Anatomy Relationships

                      • Internal Contents

                        • Normal Variants, Anomalies

                          Anatomy Imaging Issues

                          • Imaging Recommendations

                            • Imaging Pitfalls