2025
Area Level Social Deprivation and Use of Prostate MRI Before Prostate Biopsy Among Commercial Insurance Beneficiaries
Smani S, Wang R, Zhou X, Sprenkle P, Kim I, Dinan M, Gross C, Ma X, Leapman M. Area Level Social Deprivation and Use of Prostate MRI Before Prostate Biopsy Among Commercial Insurance Beneficiaries. Urology 2025 PMID: 40759400, DOI: 10.1016/j.urology.2025.07.070.Peer-Reviewed Original ResearchPre-biopsy magnetic resonance imagingProstate magnetic resonance imagingMagnetic resonance imagingMagnetic resonance imaging useProstate biopsySocial deprivation indexArea-level measuresDynamic cohort studyMRI useMeasure of area-level deprivationSocioeconomic statusArea-level social deprivationArea-level measures of socioeconomic statusMeasures of socioeconomic statusStrata of socioeconomic statusArea-level deprivationCommercial insurance beneficiariesComposite measureBiopsyProstateNon-metropolitan areasDeprivation indexRural/urban statusResonance imagingSociodemographic factors
2022
Mediators of Racial Disparity in the Use of Prostate Magnetic Resonance Imaging Among Patients With Prostate Cancer
Leapman MS, Dinan M, Pasha S, Long J, Washington SL, Ma X, Gross CP. Mediators of Racial Disparity in the Use of Prostate Magnetic Resonance Imaging Among Patients With Prostate Cancer. JAMA Oncology 2022, 8: 687-696. PMID: 35238879, PMCID: PMC8895315, DOI: 10.1001/jamaoncol.2021.8116.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingPopulation-based cohort studyProstate cancerWhite patientsRacial disparitiesCohort studyMRI useIndividual-level socioeconomic statusEligible male patientsSocioeconomic statusNeighborhood-level socioeconomic statusLocalized prostate cancerProstate cancer diagnosisObserved racial disparitiesProstate magnetic resonanceMediation analysisPathologic factorsMale patientsUS SurveillanceBlack patientsMedicare databaseMAIN OUTCOMEUS adultsNew diagnosis
2021
Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management
Leapman MS, Wang R, Park HS, Yu JB, Sprenkle PC, Dinan MA, Ma X, Gross CP. Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management. JAMA Network Open 2021, 4: e2128646. PMID: 34623406, PMCID: PMC8501394, DOI: 10.1001/jamanetworkopen.2021.28646.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingHospital referral regionsProportion of patientsProstate cancerGenomic testingCohort studyReferral regionsRetrospective cohort studyProstate cancer carePatient-level analysisCommercial insurance claimsProstate cancer managementUS hospital referral regionsYears of ageProportion of menPatients 40Definitive treatmentCancer careTesting uptakeHRR levelMAIN OUTCOMECancer managementPatientsRegional uptake
2018
Advanced imaging and hospice use in end-of-life cancer care
Dinan MA, Curtis LH, Setoguchi S, Cheung WY. Advanced imaging and hospice use in end-of-life cancer care. Supportive Care In Cancer 2018, 26: 3619-3625. PMID: 29728843, DOI: 10.1007/s00520-018-4223-0.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack or African AmericanBreast NeoplasmsColorectal NeoplasmsComorbidityDiagnostic ImagingFemaleHospice CareHospicesHumansLung NeoplasmsMaleMedicareMiddle AgedNeoplasmsOutcome Assessment, Health CareProstatic NeoplasmsReferral and ConsultationRetrospective StudiesSEER ProgramTerminal CareUnited StatesConceptsHospital referral regionsHospice enrollmentComputerized tomographyHospice useLife careReferral regionsAdvanced imagingPopulation-based retrospective studyHigh rateLate hospice enrollmentLife cancer careMultivariable logistic regressionSEER-Medicare dataMagnetic resonance imagingPositron emission tomographyEnd of lifeGreater comorbidityReal-world practiceAggressive endBlack patientsMultivariable analysisRetrospective studyResultsA totalStudy criteriaCancer care
2010
Changes in the Use and Costs of Diagnostic Imaging Among Medicare Beneficiaries With Cancer, 1999-2006
Dinan MA, Curtis LH, Hammill BG, Patz EF, Abernethy AP, Shea AM, Schulman KA. Changes in the Use and Costs of Diagnostic Imaging Among Medicare Beneficiaries With Cancer, 1999-2006. JAMA 2010, 303: 1625-1631. PMID: 20424253, DOI: 10.1001/jama.2010.460.Peer-Reviewed Original ResearchConceptsNon-Hodgkin lymphomaLung cancerMedicare beneficiariesBreast cancerCancer typesColorectal cancerProstate cancerImaging costsPositron emission tomography scanIncident breast cancerYear of diagnosisEmission tomography scanBone density studiesMean total costMagnetic resonance imagingPositron emission tomographyBone scanTreatment patternsIncident casesCancer careHalf of beneficiariesTomography scanUS CentersMean annual increaseResonance imaging
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