2015
Imaging of lumbar spinal surgery complications
Malhotra A, Kalra VB, Wu X, Grant R, Bronen RA, Abbed KM. Imaging of lumbar spinal surgery complications. Insights Into Imaging 2015, 6: 579-590. PMID: 26432098, PMCID: PMC4656239, DOI: 10.1007/s13244-015-0435-8.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsEvaluation of patientsLumbar spine surgeryPostoperative complicationsPostoperative courseIncidental durotomySpine surgeryEarly detectionRecurrent disc herniationType of surgeryCross-sectional imaging techniquesEarly complicationsSpinal stenosisSurgery complicationsBrain findingsDisc herniationPostoperative collectionsIntracranial hypotensionThecal sacCT myelographySurgical invasivenessCSF leakLumbar spineMR findingsComplicationsEarly infection
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 rotationPatientsHippocampusFocal cortical dysplasia of Taylor, balloon cell subtype: MR differentiation from low-grade tumors.
Bronen RA, Vives KP, Kim JH, Fulbright RK, Spencer SS, Spencer DD. Focal cortical dysplasia of Taylor, balloon cell subtype: MR differentiation from low-grade tumors. American Journal Of Neuroradiology 1997, 18: 1141-51. PMID: 9194442, PMCID: PMC8337292.Peer-Reviewed Original ResearchConceptsFocal cortical dysplasiaLow-grade tumorsCortical dysplasiaMR findingsLobe locationLow-grade glial neoplasmTemporal lobe locationSubcortical white matterFrontal lobe locationSurgical resectionCortical thickeningClinical variablesIntractable epilepsyGlial neoplasmsHyperintense signalLateral ventricleMR featuresWhite matterNeoplastic tissueCell subtypesDysplasiaPatientsMR variablesNeoplasmsSurgical planning
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 involvement
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
1991
Imaging findings in hippocampal sclerosis: correlation with pathology.
Bronen R, Cheung G, Charles J, Kim J, Spencer D, Spencer S, Sze G, McCarthy G. Imaging findings in hippocampal sclerosis: correlation with pathology. American Journal Of Neuroradiology 1991, 12: 933-40. PMID: 1950925, PMCID: PMC8333515.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyCryptogenic temporal lobe epilepsyHippocampal sclerosisLobe epilepsyHippocampal atrophyNeuronal densityPathologic criteriaQualitative histologic findingsUnilateral hippocampal atrophyNeuronal cell lossImportant therapeutic consequencesPreoperative radiologic imagingAdjacent white matterLong TR scansGranular cell layerTemporal lobectomyPreoperative diagnosisIntractable epilepsyRadiologic imagingHistologic findingsSurgical specimensCornu ammonisTherapeutic consequencesMR findingsTemporal lobe