ArticleFrontiers in neuroscience2025
A case report and literature review on giant tumefactive perivascular spaces.
Article in Frontiers in neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- "Mind the Gap"-enlarged perivascular spaces as a potential magnetic resonance imaging biomarker of impaired glymphatic clearance in brain disorders.Frontiers in cellular neuroscience · 2026Review
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5 authors.
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Abstract
Background: Perivascular spaces (PVS) are fluid-filled cavities located in the brain that surround blood vessels. Dilated PVS (dPVS) can be discerned on MRI in healthy individuals. Extreme expansion of PVS is classified as giant tumefactive PVS (GTPVS), a rare condition with an ambiguous etiology. Although GTPVS may exert a mass effect, it should not be misidentified as a tumor or other pathological conditions. Case presentation: We report a rare case of GTPVS that was incidentally discovered during the examination of a scalp mass. The patient exhibited giant tumefactive dilation of PVS in the left cerebral hemisphere without any clinical symptoms. The MR imaging of this case showed a typical cluster cyst. Based on the location of the lesion, consider it belongs to Type II GTPVS. Conclusion: This study reports a rare GTPVS case, establishing diagnostic criteria, differential diagnosis, and management strategies. While asymptomatic cases require no treatment, hydrocephalus may necessitate surgery. Literature review suggests PVS dilation reflects glymphatic dysfunction, providing new pathophysiological insights. Further studies are needed to validate these findings due to the condition's rarity.
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