2021
Role of 3D quantitative tumor analysis for predicting overall survival after conventional chemoembolization of intrahepatic cholangiocarcinoma
Rexha I, Laage-Gaupp F, Chapiro J, Miszczuk MA, van Breugel JMM, Lin M, Konstantinidis M, Duran R, Gebauer B, Georgiades C, Hong K, Nezami N. Role of 3D quantitative tumor analysis for predicting overall survival after conventional chemoembolization of intrahepatic cholangiocarcinoma. Scientific Reports 2021, 11: 9337. PMID: 33927226, PMCID: PMC8085245, DOI: 10.1038/s41598-021-88426-x.Peer-Reviewed Original ResearchConceptsTotal tumor volumeConventional transarterial chemoembolizationTumor diameterIntrahepatic cholangiocarcinomaOverall survivalTumor areaICC patientsTumor volumeHigh tumor burden groupTumor analysisOS of patientsHazard ratioTransarterial chemoembolizationTumor burdenBurden groupConventional chemoembolizationHTB groupRetrospective analysisPatientsSurvival curvesMultivariate analysisChemoembolizationCholangiocarcinomaETVBaseline images
2020
Layer Embedding Analysis in Convolutional Neural Networks for Improved Probability Calibration and Classification
Zhang F, Dvornek N, Yang J, Chapiro J, Duncan J. Layer Embedding Analysis in Convolutional Neural Networks for Improved Probability Calibration and Classification. IEEE Transactions On Medical Imaging 2020, 39: 3331-3342. PMID: 32356739, PMCID: PMC7606489, DOI: 10.1109/tmi.2020.2990625.Peer-Reviewed Original ResearchConceptsConvolutional neural networkNeural networkClassification taskProbability calibrationTissue classification tasksImage representationBaseline methodsPublic datasetsModel performanceRandom forest modelNetworkBetter performanceForest modelDatasetClassificationTaskCT imagesImagesOriginal model outputMR imagesModel outputInstitutional datasetPerformanceEmbeddingOutputQuantification of contrast-uptake as imaging biomarker for disease progression of renal cell carcinoma after tumor ablation
Tegel BR, Huber S, Savic LJ, Lin M, Gebauer B, Pollak J, Chapiro J. Quantification of contrast-uptake as imaging biomarker for disease progression of renal cell carcinoma after tumor ablation. Acta Radiologica 2020, 61: 1708-1716. PMID: 32216452, PMCID: PMC7529766, DOI: 10.1177/0284185120909964.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesAdultAgedAged, 80 and overBiomarkers, TumorCarcinoma, Renal CellContrast MediaDisease ProgressionFemaleHumansImaging, Three-DimensionalKidney NeoplasmsMaleMiddle AgedNeoplasm StagingRadiography, InterventionalRetrospective StudiesSensitivity and SpecificityTumor BurdenUltrasonography, InterventionalConceptsProgression-free survivalTotal tumor volumeRenal cell carcinomaCell carcinomaOdds ratioTumor volumeImaging biomarkersImage-guided thermal ablationPrognosis of patientsRENAL nephrometry scoreCox regression modelLargest tumor diameterLog-rank testKaplan-Meier plotsCross-sectional imagingSensitive imaging biomarkerMetastatic diseaseSecondary outcomesPrimary outcomeDistant metastasisNephrometry scoreTumor diameterOutcome parametersLesion vascularityTNM stage
2019
A 3D quantitative imaging biomarker in pre-treatment MRI predicts overall survival after stereotactic radiation therapy of patients with a singular brain metastasis
Della Seta M, Collettini F, Chapiro J, Angelidis A, Engeling F, Hamm B, Kaul D. A 3D quantitative imaging biomarker in pre-treatment MRI predicts overall survival after stereotactic radiation therapy of patients with a singular brain metastasis. Acta Radiologica 2019, 60: 1496-1503. PMID: 30841703, DOI: 10.1177/0284185119831692.Peer-Reviewed Original ResearchConceptsIntracranial progression-free survivalSingular brain metastasisStereotactic radiation therapyPre-treatment magnetic resonance imagingMagnetic resonance imagingBrain metastasesPrognostic factorsTumor volumeRadiation therapyCranial magnetic resonance imagingContrast-enhanced MRI scansMultivariable Cox regressionProgression-free survivalIntracranial malignant tumorPrediction of survivalOverall survivalMultivariable analysisPrognostic indexCox regressionRetrospective studyMalignant tumorsQuantitative imaging biomarkersMRI scansPatientsRadiomic biomarkersQuantitative Imaging Biomarkers for 90Y Distribution on Bremsstrahlung SPECT After Resin-Based Radioembolization
Schobert I, Chapiro J, Nezami N, Hamm CA, Gebauer B, Lin M, Pollak J, Saperstein L, Schlachter T, Savic LJ. Quantitative Imaging Biomarkers for 90Y Distribution on Bremsstrahlung SPECT After Resin-Based Radioembolization. Journal Of Nuclear Medicine 2019, 60: 1066-1072. PMID: 30655331, PMCID: PMC6681698, DOI: 10.2967/jnumed.118.219691.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiographyBiomarkersCarcinoma, HepatocellularEmbolization, TherapeuticFeasibility StudiesFemaleHumansImaging, Three-DimensionalLiverLiver NeoplasmsMagnetic Resonance ImagingMaleMicrospheresMiddle AgedMultimodal ImagingPrognosisRegression AnalysisRetrospective StudiesTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedTreatment OutcomeYttrium RadioisotopesConceptsNon-HCC patientsTransarterial radioembolizationHepatocellular carcinomaBaseline imagingTumor responseTumor volumeChild-Pugh class B patientsBaseline imaging featuresClass B patientsNormal liver ratiosTotal tumor volumeSPECT/CTContrast-enhanced MRIQuantitative European AssociationMultiphasic contrast-enhanced MRIInstitutional review boardHigh TNRPreprocedural MRIChild-PughB patientsLiver criteriaTumor burdenClinical parametersHepatic malignanciesRetrospective study
2018
Clinical Experience with Real-Time 3-D Guidance Based on C-Arm-Acquired Cone-Beam CT (CBCT) in Transjugular Intrahepatic Portosystemic Stent Shunt (TIPSS) Placement
Böning G, Lüdemann WM, Chapiro J, Jonczyk M, Hamm B, Günther RW, Gebauer B, Streitparth F. Clinical Experience with Real-Time 3-D Guidance Based on C-Arm-Acquired Cone-Beam CT (CBCT) in Transjugular Intrahepatic Portosystemic Stent Shunt (TIPSS) Placement. CardioVascular And Interventional Radiology 2018, 41: 1035-1042. PMID: 29541837, DOI: 10.1007/s00270-018-1877-4.Peer-Reviewed Original ResearchMeSH KeywordsCone-Beam Computed TomographyFeasibility StudiesFemaleFluoroscopyHepatic VeinsHumansHypertension, PortalImaging, Three-DimensionalMaleMiddle AgedPortal VeinPortasystemic Shunt, Transjugular IntrahepaticProspective StudiesPuncturesRadiography, InterventionalRetrospective StudiesStentsTreatment OutcomeUltrasonographyConceptsPuncture attemptsTIPSS placementTIPSS procedureProcedure timeTransjugular intrahepatic portosystemic stent shunt placementMean puncture timeSuccess ratePortal vein punctureSignificant differencesShunt placementPuncture timeConsecutive casesMedian numberProspective groupVein punctureUS guidanceClinical experienceControl groupCone beamStudy designCone-beam CTMean timeDoseCBCT guidancePatients
2017
C-Arm Cone Beam CT for Intraprocedural Image Fusion and 3D Guidance in Portal Vein Embolization (PVE)
Lüdemann WM, Böning G, Chapiro J, Jonczyk M, Geisel D, Schnapauff D, Wieners G, Schmelzle M, Chopra S, Günther RW, Gebauer B, Streitparth F. C-Arm Cone Beam CT for Intraprocedural Image Fusion and 3D Guidance in Portal Vein Embolization (PVE). CardioVascular And Interventional Radiology 2017, 41: 424-432. PMID: 28875339, DOI: 10.1007/s00270-017-1782-2.Peer-Reviewed Original ResearchConceptsPortal vein embolizationDose area productVein embolizationPuncture timeControl groupNeedle guidanceDifficult anatomic situationsIntervention-related complicationsTotal dose-area productPortal vein anatomyC-arm cone beamPortal vein accessC-arm cone-beam CTUse of USNumber of puncturesContrast-enhanced CBCTFuture liverLiver diseaseTechnical successVein accessUltrasound guidanceCE-CTVein anatomyAnatomic situationPuncture attempts
2016
Intra-arterial therapies for liver cancer: assessing tumor response
Stroehl YW, Letzen BS, van Breugel JM, Geschwind JF, Chapiro J. Intra-arterial therapies for liver cancer: assessing tumor response. Expert Review Of Anticancer Therapy 2016, 17: 119-127. PMID: 27983883, DOI: 10.1080/14737140.2017.1273775.Peer-Reviewed Original ResearchAutomatic bone removal for 3D TACE planning with C-arm CBCT: Evaluation of technical feasibility
Wang Z, Hansis E, Chen R, Duran R, Chapiro J, Sheu YR, Kobeiter H, Grass M, Geschwind JF, Lin M. Automatic bone removal for 3D TACE planning with C-arm CBCT: Evaluation of technical feasibility. Minimally Invasive Therapy & Allied Technologies 2016, 25: 162-170. PMID: 26923140, PMCID: PMC4833567, DOI: 10.3109/13645706.2015.1129970.Peer-Reviewed Original ResearchConceptsTranscatheter arterial chemoembolizationAutomatic bone removalGeneral usabilityBone removalArterial chemoembolizationSoft tissue retentionUnderwent transcatheter arterial chemoembolizationTechnical feasibilitySoft tissueTissue retentionModel-based segmentationBetter removalFour-level scoreInter-reader agreementClinical valueInterventional radiologistsC-arm CBCTAgreement proportionUsabilityCBCT imagingAdequate performanceSpine removalFurther assessmentChemoembolizationC-arm3D Quantitative tumour burden analysis in patients with hepatocellular carcinoma before TACE: comparing single-lesion vs. multi-lesion imaging biomarkers as predictors of patient survival
Fleckenstein FN, Schernthaner RE, Duran R, Sohn JH, Sahu S, Zhao Y, Hamm B, Gebauer B, Lin M, Geschwind JF, Chapiro J. 3D Quantitative tumour burden analysis in patients with hepatocellular carcinoma before TACE: comparing single-lesion vs. multi-lesion imaging biomarkers as predictors of patient survival. European Radiology 2016, 26: 3243-3252. PMID: 26762942, PMCID: PMC4942412, DOI: 10.1007/s00330-015-4168-3.Peer-Reviewed Original ResearchConceptsHazard ratioOverall survivalTransarterial chemoembolizationBaseline MRIHepatocellular carcinomaTumor burdenDominant lesionTumor assessmentTumor volumeMultivariate cox proportional hazard ratiosCox proportional hazard ratiosCurrent radiological methodMethodsThis retrospective analysisProportional hazard ratiosBCLC staging systemKaplan-Meier plotsTumor diameterPatient survivalStaging systemHCC patientsMultiple lesionsLiver volumeRetrospective analysisLesion assessmentPatients
2015
Three-Dimensional Quantitative Assessment of Lesion Response to MR-guided High-Intensity Focused Ultrasound Treatment of Uterine Fibroids
Savic LJ, De Lin M, Duran R, Schernthaner RE, Hamm B, Geschwind JF, Hong K, Chapiro J. Three-Dimensional Quantitative Assessment of Lesion Response to MR-guided High-Intensity Focused Ultrasound Treatment of Uterine Fibroids. Academic Radiology 2015, 22: 1199-1205. PMID: 26160057, PMCID: PMC4546360, DOI: 10.1016/j.acra.2015.05.008.Peer-Reviewed Original ResearchAdultCohort StudiesContrast MediaFeasibility StudiesFemaleFollow-Up StudiesHigh-Intensity Focused Ultrasound AblationHumansImage Processing, Computer-AssistedImaging, Three-DimensionalLeiomyomaMagnetic Resonance Imaging, InterventionalMiddle AgedRemission InductionRetrospective StudiesTreatment OutcomeTumor BurdenUterine NeoplasmsIntraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma
Wang Z, Chen R, Duran R, Zhao Y, Yenokyan G, Chapiro J, Schernthaner R, Radaelli A, Lin M, Geschwind JF. Intraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma. CardioVascular And Interventional Radiology 2015, 38: 1548-1556. PMID: 26001366, PMCID: PMC4651808, DOI: 10.1007/s00270-015-1129-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyContrast MediaEthiodized OilFemaleFollow-Up StudiesHumansImage EnhancementImaging, Three-DimensionalLiverLiver NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedRetrospective StudiesTreatment OutcomeConceptsLipiodol depositionConventional transarterial chemoembolizationTumor responseOverall tumor volumeTumor volumeCE-MRIHepatocellular carcinomaTransarterial chemoembolizationTumor necrosisContrast-enhanced magnetic resonance imagingNecrotic tumour volumeResponse Evaluation CriteriaT-testMagnetic resonance imagingStudent's t-testMethodsThis IRBTarget lesionsRetrospective analysisSolid tumorsResonance imagingSpearman rank-order correlationPatientsCone-beam CTCBCTChemoembolizationRadiologic-pathologic analysis of quantitative 3D tumour enhancement on contrast-enhanced MR imaging: a study of ROI placement
Chockalingam A, Duran R, Sohn JH, Schernthaner R, Chapiro J, Lee H, Sahu S, Nguyen S, Geschwind JF, Lin M. Radiologic-pathologic analysis of quantitative 3D tumour enhancement on contrast-enhanced MR imaging: a study of ROI placement. European Radiology 2015, 26: 103-113. PMID: 25994198, PMCID: PMC4654989, DOI: 10.1007/s00330-015-3812-2.Peer-Reviewed Original ResearchConceptsTranscatheter arterial chemoembolizationHCC patientsIpsilateral placementTumor enhancementHepatocellular carcinoma patientsROI placementContrast-enhanced MR imagingRadiologic-pathologic analysisArterial chemoembolizationCarcinoma patientsPathological correlationIntra-class correlationPatientsMR imagingClinical methodsMedian differencePathologyInterest placementHistopathologyMultimodality 3D Tumor Segmentation in HCC Patients Treated with TACE
Wang Z, Chapiro J, Schernthaner R, Duran R, Chen R, Geschwind JF, Lin M. Multimodality 3D Tumor Segmentation in HCC Patients Treated with TACE. Academic Radiology 2015, 22: 840-845. PMID: 25863795, PMCID: PMC4464945, DOI: 10.1016/j.acra.2015.03.001.Peer-Reviewed Original ResearchAdultAgedAged, 80 and overAlgorithmsAntibiotics, AntineoplasticCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyDoxorubicinFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedImaging, Three-DimensionalKidney NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedMultidetector Computed TomographyMultimodal ImagingPattern Recognition, AutomatedPrognosisReproducibility of ResultsRetrospective StudiesSensitivity and SpecificitySubtraction TechniqueTreatment OutcomeThree-Dimensional Quantitative Assessment of Uterine Fibroid Response after Uterine Artery Embolization Using Contrast-Enhanced MR Imaging
Chapiro J, Duran R, Lin M, Werner JD, Wang Z, Schernthaner R, Savic LJ, Lessne ML, Geschwind JF, Hong K. Three-Dimensional Quantitative Assessment of Uterine Fibroid Response after Uterine Artery Embolization Using Contrast-Enhanced MR Imaging. Journal Of Vascular And Interventional Radiology 2015, 26: 670-678.e2. PMID: 25638750, PMCID: PMC4414730, DOI: 10.1016/j.jvir.2014.11.020.Peer-Reviewed Original ResearchMeSH KeywordsAdultContrast MediaEmbolization, TherapeuticFemaleHumansImaging, Three-DimensionalLeiomyomaMagnetic Resonance ImagingMiddle AgedRetrospective StudiesUterine ArteryUterine Neoplasms
2014
Identifying Staging Markers for Hepatocellular Carcinoma before Transarterial Chemoembolization: Comparison of Three-dimensional Quantitative versus Non–three-dimensional Imaging Markers
Chapiro J, Duran R, Lin M, Schernthaner RE, Wang Z, Gorodetski B, Geschwind JF. Identifying Staging Markers for Hepatocellular Carcinoma before Transarterial Chemoembolization: Comparison of Three-dimensional Quantitative versus Non–three-dimensional Imaging Markers. Radiology 2014, 275: 438-47. PMID: 25531387, PMCID: PMC4409467, DOI: 10.1148/radiol.14141180.Peer-Reviewed Original ResearchConceptsUnresectable hepatocellular carcinomaTransarterial chemoembolizationHepatocellular carcinomaTumor diameterHazard ratioTumor responseTumor volumeResponse rateCox proportional hazard ratiosStaging markersTumor response rateProportional hazard ratiosResponse Evaluation CriteriaSurvival of patientsKaplan-Meier analysisSingle-institution analysisBaseline magnetic resonance imagesHigh response rateInstitutional review boardOverall survivalLiver (EASL) guidelinesPatient cohortImaging markerRadiologic measurementsLarge lesionsAssessing tumor response after loco-regional liver cancer therapies: the role of 3D MRI
Chapiro J, Lin M, Duran R, Schernthaner RE, Geschwind JF. Assessing tumor response after loco-regional liver cancer therapies: the role of 3D MRI. Expert Review Of Anticancer Therapy 2014, 15: 199-205. PMID: 25371052, PMCID: PMC4304995, DOI: 10.1586/14737140.2015.978861.Peer-Reviewed Original ResearchMeSH KeywordsChemoembolization, TherapeuticHumansImaging, Three-DimensionalLiver NeoplasmsMagnetic Resonance ImagingReproducibility of ResultsTreatment OutcomeConceptsTumor responseResponse Evaluation CriteriaTumor response criteriaMajor clinical interestLiver cancer therapyLiver cancer lesionsClinical evidenceIntraarterial therapyCancer lesionsSolid tumorsResponse criteriaAnatomic methodsClinical interestImaging modalitiesCancer therapyTumor analysisTherapyMRILesionsTumorsRadiologic-Pathologic Analysis of Contrast-enhanced and Diffusion-weighted MR Imaging in Patients with HCC after TACE: Diagnostic Accuracy of 3D Quantitative Image Analysis
Chapiro J, Wood LD, Lin M, Duran R, Cornish T, Lesage D, Charu V, Schernthaner R, Wang Z, Tacher V, Savic LJ, Kamel IR, Geschwind JF. Radiologic-Pathologic Analysis of Contrast-enhanced and Diffusion-weighted MR Imaging in Patients with HCC after TACE: Diagnostic Accuracy of 3D Quantitative Image Analysis. Radiology 2014, 273: 746-758. PMID: 25028783, PMCID: PMC4263418, DOI: 10.1148/radiol.14140033.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarcinoma, HepatocellularChemoembolization, TherapeuticContrast MediaDiffusion Magnetic Resonance ImagingFemaleGadolinium DTPAHumansImage Interpretation, Computer-AssistedImaging, Three-DimensionalLiver NeoplasmsMaleMiddle AgedNeoplasm StagingRetrospective StudiesSoftwareTreatment OutcomeConceptsPathologic tumor necrosisHepatocellular carcinoma lesionsTumor necrosisTransarterial chemoembolizationCarcinoma lesionsRadiologic–pathologic correlation studyTumor tissueMagnetic Resonance Imaging AssessmentDiagnostic accuracyInstitutional review board-approved retrospective studyOrthotopic liver transplantationTotal tumor volumeDiffusion-weighted MR imagingApparent diffusion coefficient (ADC) mapsNecrotic tumor tissueArterial phase MR imagesDiffusion coefficient mapsLast MR examinationLiver transplantationSurgical resectionLiver criteriaPathologic examinationRetrospective studyPhase MR imagesHistopathologic examinationThree-dimensional Evaluation of Lipiodol Retention in HCC after Chemoembolization A Quantitative Comparison between CBCT and MDCT
Wang Z, Lin M, Lesage D, Chen R, Chapiro J, Gu T, Tacher V, Duran R, Geschwind JF. Three-dimensional Evaluation of Lipiodol Retention in HCC after Chemoembolization A Quantitative Comparison between CBCT and MDCT. Academic Radiology 2014, 21: 393-399. PMID: 24507426, PMCID: PMC3979929, DOI: 10.1016/j.acra.2013.11.006.Peer-Reviewed Original ResearchAgedAntineoplastic AgentsCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyEthiodized OilFemaleHemostaticsHumansImaging, Three-DimensionalLiver NeoplasmsMaleMetabolic Clearance RateMiddle AgedMultidetector Computed TomographyReproducibility of ResultsSensitivity and SpecificityTissue DistributionTreatment Outcome