Subarachnoid CSF hyperintensities at 7 tesla FLAIR MRI: A novel marker in cerebral amyloid angiopathy.

Emma A Koemans,Marianne A A van Walderveen,Sabine Voigt,Ingeborg Rasing,Thijs W van Harten,Hine J A van Os,Nelleke van der Weerd,Gisela M Terwindt,Matthias J P van Osch,Susanne J van Veluw,Whitney M Freeze,Marieke J H Wermer

NeuroImage. Clinical（2023）

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摘要

Subarachnoid CSF hyperintensities at 7T FLAIR MRI occur frequently in CAA and are associated with cSS, although without complete overlap. We hypothesize that the phenomenon could be a sign of subtle plasma protein or blood product leakage into the CSF, resulting in CSF T1-shortening.

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关键词

7 Tesla MRI,Cerebral amyloid angiopathy,Cerebrospinal fluid hyperintensities,Cortical superficial siderosis

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