2020
Reducing Radiation Dose and Contrast Medium Volume With Application of Dual-Energy CT in Children and Young Adults.
Tabari A, Gee M, Singh R, Lim R, Nimkin K, Primak A, Schmidt B, Kalra M. Reducing Radiation Dose and Contrast Medium Volume With Application of Dual-Energy CT in Children and Young Adults. American Journal Of Roentgenology 2020, 214: 1199-1205. PMID: 32286868, DOI: 10.2214/ajr.19.22231.Peer-Reviewed Original ResearchConceptsSingle-energy CTContrast material volumeDS-DECTDual-energy CTRadiation doseThird-generation dual-source CT scannerDual-source dual-energy CTDual-source CT scannerContrast volume reductionCT dose descriptorsMean patient ageApplications of dual-energy CTContrast medium volumeWeight-matched patientsYoung adultsReduce radiation doseLow radiation doseCohen's kappa testConsecutive childrenPatient ageRadiological findingsDose descriptorsPatient demographicsRetrospective studyKappa test
2015
Simplifying size-specific radiation dose estimates in pediatric CT.
Khawaja R, Singh S, Vettiyil B, Lim R, Gee M, Westra S, Kalra M. Simplifying size-specific radiation dose estimates in pediatric CT. American Journal Of Roentgenology 2015, 204: 167-76. PMID: 25539253, DOI: 10.2214/ajr.13.12191.Peer-Reviewed Original ResearchConceptsSize-specific dose estimateStatistically significant correlationDose estimatesBody weightTorso diameterSize-specific doseConsecutive CT examinationsMedian body weightPatient's body weightRadiation dose estimatesSignificant correlationPediatric CTCT examinationsEffective diameterIndividual patientsOverall body weightClinical settingPatientsDoseD(apChildrenAutomated softwareMeasured diameterBodyManual measurements
2014
Dose reduction in pediatric abdominal CT: use of iterative reconstruction techniques across different CT platforms
Khawaja R, Singh S, Otrakji A, Padole A, Lim R, Nimkin K, Westra S, Kalra M, Gee M. Dose reduction in pediatric abdominal CT: use of iterative reconstruction techniques across different CT platforms. Pediatric Radiology 2014, 45: 1046-1055. PMID: 25427434, DOI: 10.1007/s00247-014-3235-2.Peer-Reviewed Original ResearchConceptsIterative reconstruction techniqueSinogram-affirmed iterative reconstructionAdaptive statistical iterative reconstructionModel-based iterative reconstructionPediatric abdominal CTDose reductionIterative reconstructionAbdominal CTAdaptive iterative dose reductionMagnitude of dose reductionIncreased image noiseStatistical iterative reconstructionAIDR 3DReconstruction techniqueCT examinationsCT scanImage noiseReconstruction algorithmClinical settingDosing potentialClinical applicationImage qualityRadiology communityReconstruction principleImage interpretation