2021
Detecting lumbar lesions in 99mTc‐MDP SPECT by deep learning: Comparison with physicians
Petibon Y, Fahey F, Cao X, Levin Z, Sexton‐Stallone B, Falone A, Zukotynski K, Kwatra N, Lim R, Bar‐Sever Z, Chemli Y, Treves S, Fakhri G, Ouyang J. Detecting lumbar lesions in 99mTc‐MDP SPECT by deep learning: Comparison with physicians. Medical Physics 2021, 48: 4249-4261. PMID: 34101855, DOI: 10.1002/mp.15033.Peer-Reviewed Original ResearchMeSH KeywordsChildDeep LearningHumansPhysiciansRetrospective StudiesTechnetium Tc 99m MedronateTomography, Emission-Computed, Single-PhotonConceptsSingle-photon emission computed tomographyLow back painLumbar lesionsPediatric patientsTc-MDPEvaluate low back painCause of low back painTc-MDP scanLesion-presentEmission computed tomographyConvolutional neural networkClinical likelihoodBack painInterreader variabilityDeep convolutional neural networkLumbar locationLesionsStress lesionsFocal lesionsDeep learningPatientsLumbar stressPhysiciansDL systemsLROC studies
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
2019
Clinical significance of incidentally discovered renal cysts in pediatric patients
Botwin A, Phewplung T, Wu K, Lim R, Traum A, Gee M. Clinical significance of incidentally discovered renal cysts in pediatric patients. Abdominal Radiology 2019, 44: 2835-2840. PMID: 30972430, DOI: 10.1007/s00261-019-02017-z.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentChildChild, PreschoolFemaleHumansIncidental FindingsInfantInfant, NewbornMalePolycystic Kidney, Autosomal DominantRetrospective StudiesConceptsAutosomal dominant polycystic kidney diseasePediatric patientsRenal cystsFamily historyClinical significanceCyst groupRisk of autosomal dominant polycystic kidney diseaseDiagnosis of autosomal dominant polycystic kidney diseaseAssociated with higher incidenceMethodsA retrospective searchFollow-up imagingDominant polycystic kidney diseaseSearch of radiology reportsMaximum cyst diameterStatistically significant elevationPolycystic kidney diseaseNo malignancyRetrospective search of radiology reportsCyst evaluationBilateral cystsCyst sizeFollow-up studyCyst characteristicsCyst diameterImaging predictors
2018
Artificial intelligence-assisted interpretation of bone age radiographs improves accuracy and decreases variability
Tajmir S, Lee H, Shailam R, Gale H, Nguyen J, Westra S, Lim R, Yune S, Gee M, Do S. Artificial intelligence-assisted interpretation of bone age radiographs improves accuracy and decreases variability. Skeletal Radiology 2018, 48: 275-283. PMID: 30069585, DOI: 10.1007/s00256-018-3033-2.Peer-Reviewed Original ResearchConceptsBone age assessmentAutomated artificial intelligenceAI assistanceBone age radiographsConvolutional neural networkDeep learning algorithmsRoot mean square errorMean square errorPediatric radiologistsUtilization of AILearning algorithmsNeural networkArtificial intelligenceIntraclass correlation coefficientImproved performancePooled cohortRadiologist interpretationImaging studiesInter-rater variationAccuracyMetabolic disordersIncreased accuracyRadiologistsAge accuracyMeasures of accuracy
2014
Improving Concordance of MRI and PET/CT Interpretations With Retrospectively Coregistered MRI and PET/CT Data Sets
Wang Y, Lim R, Khawaja R, Blake M. Improving Concordance of MRI and PET/CT Interpretations With Retrospectively Coregistered MRI and PET/CT Data Sets. Current Problems In Diagnostic Radiology 2014, 44: 232-236. PMID: 25745822, DOI: 10.1067/j.cpradiol.2014.11.004.Peer-Reviewed Original ResearchConceptsConcordance of MRIEvidence of metastatic diseaseMRI scansInstitutional review board approvalPelvic MRI scanImaging follow-upInstitutional electronic medical record systemReview board approvalInterpretation of MRIPET/CT interpretationMetastatic diseasePET/computed tomographyDiscordant lesionsMRI findingsRetrospective studyMRI reportsBoard approvalPET/CTFollow-upDiscordant findingsLesion characterizationBone sitesClinical reportsSoftware fusionPairs of scans
2008
Renal pyramid echogenicity in ureteropelvic junction obstruction: correlation between altered echogenicity and differential renal function
Chavhan G, Daneman A, Moineddin R, Lim R, Langlois V, Traubici J. Renal pyramid echogenicity in ureteropelvic junction obstruction: correlation between altered echogenicity and differential renal function. Pediatric Radiology 2008, 38: 1068. PMID: 18633607, DOI: 10.1007/s00247-008-0943-5.Peer-Reviewed Original ResearchConceptsDifferential renal functionLoss of corticomedullary differentiationUreteropelvic junction obstructionPoor renal functionCorticomedullary differentiationUreteropelvic junctionRenal functionGroup 1Risk ratioObstructed kidneyGroup 2Increased echogenicityGroup 3Technetium-99m mercaptoacetyltriglycineResultsIn group 1Fisher's exact testAbnormal echogenicityObstructive hydronephrosisExact testTechnetium-99Histological changesRenal pyramidsHigh-frequency transducersEchogenicityPatients