2020
Molecular Imaging of Extracellular Tumor pH to Reveal Effects of Locoregional Therapy on Liver Cancer Microenvironment
Savic LJ, Schobert I, Peters D, Walsh JJ, Laage-Gaupp F, Hamm CA, Tritz N, Doemel LA, Lin M, Sinusas A, Schlachter T, Duncan JS, Hyder F, Coman D, Chapiro J. Molecular Imaging of Extracellular Tumor pH to Reveal Effects of Locoregional Therapy on Liver Cancer Microenvironment. Clinical Cancer Research 2020, 26: 428-438. PMID: 31582517, PMCID: PMC7244230, DOI: 10.1158/1078-0432.ccr-19-1702.Peer-Reviewed Original ResearchConceptsMR spectroscopic imagingLocoregional therapyLiver cancer microenvironmentConventional transarterial chemoembolizationNew Zealand white rabbitsTumor pHMost liver tumorsZealand white rabbitsMolecular imaging paradigmsPositive therapeutic outcomesTumor residualsTransarterial chemoembolizationTumor devascularizationHistopathologic markersViable tumorSurrogate biomarkerLiver tumorsLiver cancerTumor enhancementLiver parenchymaMetabolic markersMultiparametric MRITherapeutic outcomesHIF-1αVX2 tumors
2015
Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors.
Tacher V, Duran R, Lin M, Sohn JH, Sharma KV, Wang Z, Chapiro J, Gacchina Johnson C, Bhagat N, Dreher MR, Schäfer D, Woods DL, Lewis AL, Tang Y, Grass M, Wood BJ, Geschwind JF. Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors. Radiology 2015, 279: 741-53. PMID: 26678453, PMCID: PMC4886703, DOI: 10.1148/radiol.2015141624.Peer-Reviewed Original ResearchConceptsTransarterial embolizationLiver tumor modelFeeding arteriesContrast materialMultidetector CTEmbolic agentTumor modelRabbit VX2 liver tumor modelRadiopaque microspheresVX2 tumor-bearing rabbitsCone-beam CTContrast material washoutRabbit liver tumor modelVX2 liver tumor modelTumor feeding arteriesVX2 rabbit liver tumor modelMicro-CTHistologic examinationInstitutional Animal CareTumor enhancementKruskal-Wallis testScale scoreHistologic analysisEmbolizationCone beamRadiologic-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 placementHistopathology
2014
Uveal Melanoma Metastatic to the Liver: The Role of Quantitative Volumetric Contrast-Enhanced MR Imaging in the Assessment of Early Tumor Response after Transarterial Chemoembolization
Duran R, Chapiro J, Frangakis C, Lin M, Schlachter TR, Schernthaner RE, Wang Z, Savic LJ, Tacher V, Kamel IR, Geschwind JF. Uveal Melanoma Metastatic to the Liver: The Role of Quantitative Volumetric Contrast-Enhanced MR Imaging in the Assessment of Early Tumor Response after Transarterial Chemoembolization. Translational Oncology 2014, 7: 447-455. PMID: 24953419, PMCID: PMC4202794, DOI: 10.1016/j.tranon.2014.05.004.Peer-Reviewed Original ResearchFirst transarterial chemoembolizationEarly tumor responseTransarterial chemoembolizationWorld Health OrganizationOverall survivalTumor responseTarget lesionsTumor volumeTumor enhancementUveal melanomaContrast-enhanced magnetic resonance imagingNon-target lesionsUveal melanoma metastaticMedian overall survivalResponse Evaluation CriteriaKaplan-Meier methodLog-rank testMetastatic uveal melanomaMagnetic resonance imagingMelanoma metastaticSurrogate biomarkerSolid tumorsResonance imagingResponse criteriaLesions