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Brain
Anatomy
Scalp, Skull, and Meninges
Pia and Perivascular Spaces
Pia and Perivascular Spaces
Anne G. Osborn, MD, FACR
;
Giuseppe Barisano, MD
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TERMINOLOGY
Abbreviations
Perivascular spaces (PVSs)
Synonyms
Virchow-Robin spaces (VRSs)
Note: In literature, PVS may sometimes refer to intramural periarterial drainage pathway, while "paravascular space" may be used for VRS
Definitions
Pial-lined, fluid-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)
Synonyms
Virchow-Robin spaces (VRSs)
Note: In literature, PVS may sometimes refer to intramural periarterial drainage pathway, while "paravascular space" may be used for VRS
Definitions
Pial-lined, fluid-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
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