Large-scale transient peri-ictal perfusion magnetic resonance imaging abnormalities detected by quantitative image analysis.
epilepsy
ictal
perfusion MRI
quantitative MRI
transient peri-ictal perfusion abnormalities TPMA
Journal
Brain communications
ISSN: 2632-1297
Titre abrégé: Brain Commun
Pays: England
ID NLM: 101755125
Informations de publication
Date de publication:
2023
2023
Historique:
received:
10
04
2022
revised:
08
12
2022
accepted:
23
02
2023
entrez:
17
3
2023
pubmed:
18
3
2023
medline:
18
3
2023
Statut:
epublish
Résumé
Epileptic seizures require a rapid and safe diagnosis to minimize the time from onset to adequate treatment. Some epileptic seizures can be diagnosed clinically with the respective expertise. For more subtle seizures, imaging is mandatory to rule out treatable structural lesions and potentially life-threatening conditions. MRI perfusion abnormalities associated with epileptic seizures have been reported in CT and MRI studies. However, the interpretation of transient peri-ictal MRI abnormalities is routinely based on qualitative visual analysis and therefore reader dependent. In this retrospective study, we investigated the diagnostic yield of visual analysis of perfusion MRI during ictal and postictal states based on comparative expert ratings in 51 patients. We further propose an automated semi-quantitative method for perfusion analysis to determine perfusion abnormalities observed during ictal and postictal MRI using dynamic susceptibility contrast MRI, which we validated on a subcohort of 27 patients. The semi-quantitative method provides a parcellation of 3D T
Identifiants
pubmed: 36926367
doi: 10.1093/braincomms/fcad047
pii: fcad047
pmc: PMC10012410
doi:
Types de publication
Journal Article
Langues
eng
Pagination
fcad047Informations de copyright
© The Author(s) 2023. Published by Oxford University Press on behalf of the Guarantors of Brain.
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