Diffusion-Weighted Imaging Identifies a Subset of Lacunar Infarction Associated With Embolic Source
Ay H, Oliveira-Filho J, Buonanno F, Ezzeddine M, Schaefer P, Rordorf G, Schwamm L, Gonzalez R, Koroshetz W. Diffusion-Weighted Imaging Identifies a Subset of Lacunar Infarction Associated With Embolic Source. Stroke 1999, 30: 2644-2650. PMID: 10582991, DOI: 10.1161/01.str.30.12.2644.Peer-Reviewed Original ResearchConceptsLacunar syndromeSmall infarctsIdentifiable causeClinical syndromeCareful pathological studyClassic lacunar syndromeDWI hyperintense lesionsSingle lacunar infarctionBrain stem lesionsDay of admissionDistinct clinical syndromeDiffusion-weighted imagingMultiple infarctionsEmbolic mechanismEmbolic sourceArtery territoryClinical characteristicsLacunar infarctionSecondary preventionConsecutive patientsAcute lesionsIndex lesionSuch infarctsEmergency roomPathological studiesNormal diffusion-weighted MRI during stroke-like deficits
Ay H, Buonanno F, Rordorf G, Schaefer P, Schwamm L, Wu O, Gonzalez R, Yamada K, Sorensen G, Koroshetz W. Normal diffusion-weighted MRI during stroke-like deficits. Neurology 1999, 52: 1784-1792. PMID: 10371524, DOI: 10.1212/wnl.52.9.1784.Peer-Reviewed Original ResearchConceptsDiffusion-weighted MRICerebral ischemic eventsDWI abnormalitiesStroke mimicsIschemic eventsAcute ischemic strokeIschemic brain injuryTransient global amnesiaIschemic causePathophysiologic diagnosisLacunar syndromeNonischemic causesIschemic strokeLacunar infarctionNeurologic deficitsBrain ischemiaConsecutive patientsSuch patientsRadiologic dataFinal diagnosisBrain injuryCortical syndromesFunctional disordersEarly diagnosisGlobal amnesia