2021
Imaging Features at the Periphery: Hemodynamics, Pathophysiology, and Effect on LI-RADS Categorization.
Consul N, Sirlin CB, Chernyak V, Fetzer DT, Masch WR, Arora SS, Do RKG, Marks RM, Fowler KJ, Borhani AA, Elsayes KM. Imaging Features at the Periphery: Hemodynamics, Pathophysiology, and Effect on LI-RADS Categorization. RadioGraphics 2021, 41: 1657-1675. PMID: 34559586, DOI: 10.1148/rg.2021210019.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, HepatocellularContrast MediaHemodynamicsHumansLiver NeoplasmsMagnetic Resonance ImagingRetrospective StudiesSensitivity and SpecificityConceptsHepatocellular carcinomaEnhancement patternLiver observationsCapsule appearanceRim arterial phase hyperenhancementAncillary featuresNon-HCC malignanciesLocal-regional therapyArterial phase hyperenhancementLiver Imaging ReportingDynamic contrast-enhanced imagingDifferent enhancement patternsImaging-based diagnosisContrast-enhanced imagingPeripheral washoutArterioportal shuntTargetoid appearanceNodular enhancementCorona enhancementBenign entityTreatment responseLI-RADSRisk populationsLiver lesionsSpecific diagnosisLI-RADS treatment response lexicon: review, refresh and resolve with emerging data
Ram R, Kampalath R, Shenoy-Bhangle AS, Arora S, Kielar AZ, Mendiratta-Lala M. LI-RADS treatment response lexicon: review, refresh and resolve with emerging data. Abdominal Radiology 2021, 46: 3549-3557. PMID: 34106301, DOI: 10.1007/s00261-021-03149-x.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, HepatocellularCross-Sectional StudiesHumansLiver NeoplasmsMagnetic Resonance ImagingTomography, X-Ray ComputedConceptsTreatment response algorithmHepatocellular carcinomaRegional treatmentData System treatment response algorithmLI-RADS treatment response algorithmLoco-regional therapyLoco-regional treatmentLiver Imaging ReportingTreatment response assessmentCross-sectional modalitiesType of treatmentRegional therapyCurrent guidelinesTreatment responseResponse assessmentImaging ReportingCarcinomaTreatmentRole of the radiologist at HCC multidisciplinary conference and use of the LR-TR algorithm for improving workflow
Shenoy-Bhangle AS, Tsai LL, Masciocchi M, Arora SS, Kielar AZ. Role of the radiologist at HCC multidisciplinary conference and use of the LR-TR algorithm for improving workflow. Abdominal Radiology 2021, 46: 3558-3564. PMID: 33904990, DOI: 10.1007/s00261-021-03094-9.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsCarcinoma, HepatocellularContrast MediaHumansLiver NeoplasmsMagnetic Resonance ImagingRadiologistsRetrospective StudiesWorkflowConceptsLiver-directed locoregional therapiesLR-TR algorithmHepatocellular carcinomaLocoregional therapyMultidisciplinary conferenceLiver observationsTreatment of HCCLiver-directed therapiesLiver Imaging ReportingOptimal patient managementPost-treatment imagingRadiologic findingsLiver diseaseOncology patientsTransplant eligibilityInterdisciplinary managementHCC screeningPatient managementMultidisciplinary discussionPatient careImaging ReportingPatientsTherapyRadiologistsDiseaseThe impact and collateral damage of COVID-19 on prostate MRI and guided biopsy operations: Society of Abdominal Radiology Prostate Cancer Disease-Focused Panel survey analysis
Surasi DSS, Wang X, Bathala TK, Hwang H, Arora S, Westphalen AC, Chang SD, Turkbey B. The impact and collateral damage of COVID-19 on prostate MRI and guided biopsy operations: Society of Abdominal Radiology Prostate Cancer Disease-Focused Panel survey analysis. Abdominal Radiology 2021, 46: 4362-4369. PMID: 33904992, PMCID: PMC8077193, DOI: 10.1007/s00261-021-03087-8.Peer-Reviewed Original ResearchMeSH KeywordsBiopsyCommunicable Disease ControlCOVID-19HumansImage-Guided BiopsyMagnetic Resonance ImagingMalePandemicsProstatic NeoplasmsRadiation OncologySARS-CoV-2ConceptsBowel preparationMedian numberProstate MRICoronavirus disease 2019 (COVID-19) pandemicCOVID-19Disease 2019 pandemicCOVID-19 pandemicHealth care systemComplete responseMedical oncologyProstate biopsyClinic schedulesProstate cancerMRI studiesLockdown periodCare systemCollateral damageRadiation oncologyClinical departmentsPanel survey analysisMRIBiopsyRadiology departmentOncologyDescriptive statisticsMR-Guided High-Intensity Directional Ultrasound Ablation of Prostate Cancer
Galgano SJ, Planz VB, Arora S, Rais-Bahrami S. MR-Guided High-Intensity Directional Ultrasound Ablation of Prostate Cancer. Current Urology Reports 2021, 22: 3. PMID: 33403460, DOI: 10.1007/s11934-020-01020-y.Peer-Reviewed Original ResearchConceptsTreatment modalitiesProstate cancerFocal therapyFavorable side effect profileLong-term oncologic outcomesSide effect profileMR-Guided HighNovel treatment modalitiesPromising early resultsProstate cancer diagnosisOncologic outcomesDefinitive treatmentUrinary sphincterNeurovascular bundleRadical prostatectomyActive surveillanceRadiation therapyFocal ablationHeterogeneous diseaseProstate glandReviewThe goalTherapyUltrasound ablationCancer diagnosisProstate MRI
2020
Quality Comparison of 3 Tesla multiparametric MRI of the prostate using a flexible surface receiver coil versus conventional surface coil plus endorectal coil setup
Ullrich T, Kohli M, Ohliger M, Magudia K, Arora S, Barrett T, Bittencourt L, Margolis D, Schimmöller L, Turkbey B, Westphalen A. Quality Comparison of 3 Tesla multiparametric MRI of the prostate using a flexible surface receiver coil versus conventional surface coil plus endorectal coil setup. Abdominal Radiology 2020, 45: 4260-4270. PMID: 32696213, PMCID: PMC7716937, DOI: 10.1007/s00261-020-02641-0.Peer-Reviewed Original ResearchHumansMagnetic Resonance ImagingMaleMultiparametric Magnetic Resonance ImagingProstatic NeoplasmsSignal-To-Noise RatioVariability of the Positive Predictive Value of PI-RADS for Prostate MRI across 26 Centers: Experience of the Society of Abdominal Radiology Prostate Cancer Disease-focused Panel
Westphalen AC, McCulloch CE, Anaokar JM, Arora S, Barashi NS, Barentsz JO, Bathala TK, Bittencourt LK, Booker MT, Braxton VG, Carroll PR, Casalino DD, Chang SD, Coakley FV, Dhatt R, Eberhardt SC, Foster BR, Froemming AT, Fütterer JJ, Ganeshan DM, Gertner MR, Mankowski Gettle L, Ghai S, Gupta RT, Hahn ME, Houshyar R, Kim C, Kim CK, Lall C, Margolis DJA, McRae SE, Oto A, Parsons RB, Patel NU, Pinto PA, Polascik TJ, Spilseth B, Starcevich JB, Tammisetti VS, Taneja SS, Turkbey B, Verma S, Ward JF, Warlick CA, Weinberger AR, Yu J, Zagoria RJ, Rosenkrantz AB. Variability of the Positive Predictive Value of PI-RADS for Prostate MRI across 26 Centers: Experience of the Society of Abdominal Radiology Prostate Cancer Disease-focused Panel. Radiology 2020, 296: 76-84. PMID: 32315265, PMCID: PMC7373346, DOI: 10.1148/radiol.2020190646.Peer-Reviewed Original ResearchConceptsPositive predictive valuePI-RADS scoreProstate cancerPI-RADSGleason scorePredictive valueRetrospective cross-sectional studyHigh-grade prostate cancerObserved positive predictive valueOverall positive predictive valueUntreated prostate cancerProstate MRIInterquartile rangeSignificant prostate cancerProstate Imaging ReportingCross-sectional studyMixed-model logistic regressionProstate cancer diseaseReporting Data SystemMRI lesionsBiopsy resultsActive surveillanceClinical careMRI scansImaging Reporting
2019
MRI of the Male Pelvic Floor.
Lakhoo J, Khatri G, Elsayed RF, Chernyak V, Olpin J, Steiner A, Tammisetti VS, Sundaram KM, Arora SS. MRI of the Male Pelvic Floor. RadioGraphics 2019, 39: 2003-2022. PMID: 31697623, DOI: 10.1148/rg.2019190064.Peer-Reviewed Original ResearchConceptsPelvic floorSexual dysfunctionDynamic MRI featuresPelvic floor disordersMale pelvic floorPelvic floor anatomyPelvic floor structuresIncreased toneFemale pelvic floorAnal sphincterChronic painTreatment failureGastrointestinal disordersAnorectal disordersMRI featuresMR defecographyPelvic organsSex-specific differencesPathophysiologic disordersOnline supplemental materialPelvic musculaturePostsurgical functionDysfunctionFemale pelvisMRI techniquesAn update for LI‐RADS: Version 2018. Why so soon after version 2017?
Kielar AZ, Chernyak V, Bashir MR, K. R, Fowler KJ, Santillan C, Sirlin CB, Mitchell DG, Cerny M, Tang A, Elsayes KM, Kamaya A, Kono Y, Arora SS. An update for LI‐RADS: Version 2018. Why so soon after version 2017? Journal Of Magnetic Resonance Imaging 2019, 50: 1990-1991. PMID: 30864185, DOI: 10.1002/jmri.26715.Peer-Reviewed Original ResearchCarcinoma, HepatocellularHumansLiver NeoplasmsMagnetic Resonance ImagingRadiology Information Systems
2018
White paper of the Society of Abdominal Radiology hepatocellular carcinoma diagnosis disease-focused panel on LI-RADS v2018 for CT and MRI
Elsayes KM, Kielar AZ, Elmohr MM, Chernyak V, Masch WR, Furlan A, Marks RM, Cruite I, Fowler KJ, Tang A, Bashir MR, Hecht EM, Kamaya A, Jambhekar K, Kamath A, Arora S, Bijan B, Ash R, Kassam Z, Chaudhry H, McGahan JP, Yacoub JH, McInnes M, Fung AW, Shanbhogue K, Lee J, Deshmukh S, Horvat N, Mitchell DG, Do RKG, Surabhi VR, Szklaruk J, Sirlin CB. White paper of the Society of Abdominal Radiology hepatocellular carcinoma diagnosis disease-focused panel on LI-RADS v2018 for CT and MRI. Abdominal Radiology 2018, 43: 2625-2642. PMID: 30155697, DOI: 10.1007/s00261-018-1744-4.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsCarcinoma, HepatocellularDiagnosis, DifferentialHumansLiver NeoplasmsMagnetic Resonance ImagingSocieties, MedicalTomography, X-Ray ComputedUnited StatesConceptsLI-RADS v2018Hepatocellular carcinomaClinical practice guidanceDiagnostic imaging criteriaImaging-based diagnosisReporting Data SystemSurveillance ultrasoundLiver diseaseImaging criteriaArterial phaseLI-RADSClinical careOrgan procurementLiver imagingDiagnostic algorithmV2018American AssociationPractice guidanceThreshold growthNetwork definitionAASLDPatientsCarcinomaData System
2016
Multisite, multivendor validation of the accuracy and reproducibility of proton‐density fat‐fraction quantification at 1.5T and 3T using a fat–water phantom
Hernando D, Sharma SD, Ghasabeh M, Alvis BD, Arora SS, Hamilton G, Pan L, Shaffer JM, Sofue K, Szeverenyi NM, Welch EB, Yuan Q, Bashir MR, Kamel IR, Rice MJ, Sirlin CB, Yokoo T, Reeder SB. Multisite, multivendor validation of the accuracy and reproducibility of proton‐density fat‐fraction quantification at 1.5T and 3T using a fat–water phantom. Magnetic Resonance In Medicine 2016, 77: 1516-1524. PMID: 27080068, PMCID: PMC4835219, DOI: 10.1002/mrm.26228.Peer-Reviewed Original ResearchMagnetic resonance-ultrasound fusion prostate biopsy in the diagnosis of prostate cancer
Tyson MD, Arora SS, Scarpato KR, Barocas D. Magnetic resonance-ultrasound fusion prostate biopsy in the diagnosis of prostate cancer. Urologic Oncology Seminars And Original Investigations 2016, 34: 326-332. PMID: 27083114, PMCID: PMC4912896, DOI: 10.1016/j.urolonc.2016.03.005.Peer-Reviewed Original ResearchMeSH KeywordsHumansImage-Guided BiopsyMagnetic Resonance ImagingMaleProstatic NeoplasmsReproducibility of ResultsConceptsMultiparametric magnetic resonance imagingMR-US fusionProstate cancerMR-US fusion biopsyLow-risk cancersFusion prostate biopsyProstate needle biopsyBore MRI-guided biopsyMRI-guided biopsyMagnetic resonance imagingInsignificant diseaseFusion biopsyProstate biopsyNeedle biopsySuspicious lesionsTransrectal ultrasoundBiopsyBiopsy techniqueResonance imagingCancerDirect targetingRelevant diseasesProstateDiseaseDiagnosis
2009
Atherosclerotic Plaque Progression in Carotid Arteries: Monitoring with High-Spatial-Resolution MR Imaging—Multicenter Trial
Boussel L, Arora S, Rapp J, Rutt B, Huston J, Parker D, Yuan C, Bassiouny H, Saloner D, Investigators F. Atherosclerotic Plaque Progression in Carotid Arteries: Monitoring with High-Spatial-Resolution MR Imaging—Multicenter Trial. Radiology 2009, 252: 789-96. PMID: 19508991, PMCID: PMC2734890, DOI: 10.1148/radiol.2523081798.Peer-Reviewed Original ResearchConceptsStatin therapyCarotid arteryVessel wall volumeInstitutional review boardMR imagingRate of progressionAtherosclerotic plaque progressionUnenhanced T1-weighted imagesSite's institutional review boardMagnetic resonance imagingT1-weighted imagesU.S. study sitesMean annual changeAtheroma volumeClinical factorsMulticenter trialCarotid diseaseFraction of studiesMulticenter studyPlaque progressionMultiple linear regression analysisLow bifurcationPatientsArteryLinear regression analysis