Dilated perivascular spaces (PVS): pathology

Evidence-based neurology checklist on dilated perivascular spaces (pvs): pathology: Anatomical features These are fluid filled extensions of the subarachnoid space They are pia-lined spaces around penetrating arteries They are most frequently seen along the lenticulostriate arteries They are most…

Anatomical features

  • These are fluid filled extensions of the subarachnoid space
  • They are pia-lined spaces around penetrating arteries
  • They are most frequently seen along the lenticulostriate arteries
  • They are most frequently seen in the basal ganglia
  • They are usually 1-2mm in diameter
  • They may enlarge following radiotherapy
  • They are called giant tumefactive PVS (GTPVS) if their diameter is ≥1.5mm

Potential pathophysiological mechanisms

Imaging features

Synonyms

References

  1. Fujimoto K, Kuroda J, Hide T, Hasegawa Y, Yano S, Kuratsu J. Giant tumefactive perivascular spaces that expanded and became symptomatic 14 years after initial surgery. Surg Neurol Int 2012; 3:127.
  2. Barkhof F. Enlarged Virchow-Robin spaces: do they matter? JNNP 2004; 75:1516-1517.
  3. Sankararaman S, Velayuthan S, Ambekar S, Gonzalez-Toledo E. Giant tumefactive perivascular spaces: a further case. J Pediatr Neurosci 2013; 8:108-110.
  4. Pérez García MC, Láinez Ramos-Bossini AJ, Martínez Barbero JP. Abnormal growth of Virchow-Robin spaces secondary to radiotherapy. Neurologia (Engl Ed) 2021; 36:725-728.
  5. Okar SV, Hu F, Shinohara RT, Beck ES, Reich DS, Ineichen BV. The etiology and evolution of magnetic resonance imaging-visible perivascular spaces: systematic review and meta-analysis. Front Neurosci 2023; 17:1038011.
  6. And 2 more. Subscribe to see the full list

Related checklists

Loading...