1997
A systematic approach for interpreting MR images of the seizure patient.
Bronen RA, Fulbright RK, Kim JH, Spencer SS, Spencer DD. A systematic approach for interpreting MR images of the seizure patient. American Journal Of Roentgenology 1997, 169: 241-7. PMID: 9207533, DOI: 10.2214/ajr.169.1.9207533.Peer-Reviewed Original ResearchConceptsSubtle cortical abnormalitiesFalse-negative diagnosesHippocampal sclerosisAbnormal findingsEpileptogenic lesionsCortical thickeningSeizure patientsCortical abnormalitiesLateral ventriclePeriventricular regionEpilepsy patientsMR findingsHigh indexMorphologic abnormalitiesPeriventricular heterotopiaDual abnormalitiesGray matterDevelopmental anomaliesAbnormalitiesMR scansCortical processesMass effectHead rotationPatientsHippocampus
1995
Regional distribution of MR findings in hippocampal sclerosis.
Bronen RA, Fulbright RK, Kim JH, Spencer SS, Spencer DD, al-Rodhan NR. Regional distribution of MR findings in hippocampal sclerosis. American Journal Of Neuroradiology 1995, 16: 1193-200. PMID: 7677010, PMCID: PMC8337833.Peer-Reviewed Original ResearchConceptsHippocampal sclerosisHippocampal bodyHippocampal headMR findingsHippocampal tailMR abnormalitiesLimbic structuresAbnormal MR findingsConsecutive patientsIpsilateral hippocampusMost patientsSignal changesSeizure generatorPathologic analysisHyperintense signalRegional atrophyEntire hippocampusPatientsSclerosisHippocampusAmygdalaAtrophyMR changesMR scansWidespread involvementMR characteristics of neoplasms and vascular malformations associated with epilepsy
Bronen R, Fulbright R, Spencer D, Spencer S, Kim J, Lange R. MR characteristics of neoplasms and vascular malformations associated with epilepsy. Magnetic Resonance Imaging 1995, 13: 1153-1162. PMID: 8750330, DOI: 10.1016/0730-725x(95)02026-p.Peer-Reviewed Original ResearchConceptsVascular malformationsCalvarial remodellingPathologic categoriesAdjacent tissuesTemporal lobe locationTypical imaging featuresMR characteristicsBlinded retrospective analysisMagnetic resonanceRefractory epilepsyPathologic findingsCortical involvementEpileptogenic substratePathologic substrateVascular lesionsImaging featuresCommon siteRetrospective analysisTemporal lobeLobe locationEpilepsyLesionsMalformationsNeoplasmsMR scans
1993
MR findings after depth electrode implantation for medically refractory epilepsy.
Merriam M, Bronen R, Spencer D, McCarthy G. MR findings after depth electrode implantation for medically refractory epilepsy. American Journal Of Neuroradiology 1993, 14: 1343-6. PMID: 8279329, PMCID: PMC8367502.Peer-Reviewed Original ResearchConceptsDepth electrode implantationProbe tractRefractory epilepsyChronic changesElectrode implantationEvidence of gliosisElectrode placementProbe placementRare complicationDepth electrode placementRetrospective reviewIntraparenchymal hemorrhageSignificant hemorrhageSeizure focusBrain parenchymaSignal abnormalitiesStereotactic placementLower incidenceMR findingsAngiographic dataHemorrhagePatientsDepth electrodesSpin-echo imagesMR scans