2019
Dose Reduction in Molecular Breast Imaging With a New Image-Processing Algorithm.
Tao AT, Hruska CB, Conners AL, Hunt KN, Swanson TN, Tran TD, Manduca A, Borges L, Maidment ADA, Lake D, Johnson MP, Carter RE, Rhodes DJ, O'Connor MK. Dose Reduction in Molecular Breast Imaging With a New Image-Processing Algorithm. American Journal Of Roentgenology 2019, 214: 185-193. PMID: 31593516, DOI: 10.2214/ajr.19.21582.Peer-Reviewed Original ResearchImpact of short-term low-dose tamoxifen on molecular breast imaging background parenchymal uptake: a pilot study
Hruska CB, Hunt KN, Conners AL, Geske JR, Brandt KR, Degnim AC, Vachon CM, O’Connor M, Rhodes DJ. Impact of short-term low-dose tamoxifen on molecular breast imaging background parenchymal uptake: a pilot study. Breast Cancer Research 2019, 21: 38. PMID: 30850011, PMCID: PMC6408779, DOI: 10.1186/s13058-019-1120-5.Peer-Reviewed Original ResearchConceptsLow-dose tamoxifenMolecular breast imagingBackground parenchymal uptakeOral tamoxifenParenchymal uptakeBreast cancer risk reductionBreast cancer risk factorsEffectiveness of tamoxifenCancer risk factorsCancer risk reductionBreast cancer historyShort-term interventionMean ageCancer historyRisk factorsBreast fibroglandular tissueTamoxifenMolecular breastAverage countStudy participantsSubcutaneous fatPilot studyWomenT-testInterventionClassification of Background Parenchymal Uptake on Molecular Breast Imaging Using a Convolutional Neural Network
Carter RE, Attia ZI, Geske JR, Conners AL, Whaley DH, Hunt KN, O’Connor M, Rhodes DJ, Hruska CB. Classification of Background Parenchymal Uptake on Molecular Breast Imaging Using a Convolutional Neural Network. JCO Clinical Cancer Informatics 2019, 3: 1-11. PMID: 30807208, PMCID: PMC6446086, DOI: 10.1200/cci.18.00133.Peer-Reviewed Original ResearchConceptsConvolutional neural networkNeural networkDeep learning modelsImage convolutionLearning modelModel performanceBackground parenchymal uptakeTesting dataComputer algorithmAlgorithmExpert radiologistsNetworkDirect matchingDirect matchAccuracyImagesClassificationResearch purposesPerformanceBreast imagingConvolutionEncodingMatchingModelingTraining
2016
Background parenchymal uptake on molecular breast imaging as a breast cancer risk factor: a case-control study
Hruska CB, Scott CG, Conners AL, Whaley DH, Rhodes DJ, Carter RE, O’Connor M, Hunt KN, Brandt KR, Vachon CM. Background parenchymal uptake on molecular breast imaging as a breast cancer risk factor: a case-control study. Breast Cancer Research 2016, 18: 42. PMID: 27113363, PMCID: PMC4845425, DOI: 10.1186/s13058-016-0704-6.Peer-Reviewed Original ResearchConceptsBackground parenchymal uptakeCase-control studyBreast cancer casesRisk factorsBreast cancerCancer casesParenchymal uptakeIncident breast cancer casesBreast cancer risk factorsRetrospective case-control studyDense breastsConditional logistic regression analysisInvasive breast cancer casesPostmenopausal hormone useCancer risk factorsFunctional imaging biomarkersBreast cancer riskLogistic regression analysisBI-RADS densityPostmenopausal womenEligible womenMenopausal statusHormone useMedian ageSupplemental screening
2015
Background parenchymal uptake during molecular breast imaging and associated clinical factors.
Hruska CB, Rhodes DJ, Conners AL, Jones KN, Carter RE, Lingineni RK, Vachon CM. Background parenchymal uptake during molecular breast imaging and associated clinical factors. American Journal Of Roentgenology 2015, 204: w363-70. PMID: 25714323, PMCID: PMC4423612, DOI: 10.2214/ajr.14.12979.Peer-Reviewed Original ResearchMeSH KeywordsBreast DensityBreast NeoplasmsFemaleHumansMammary Glands, HumanMiddle AgedMolecular ImagingRadionuclide ImagingRetrospective StudiesConceptsBackground parenchymal uptakePostmenopausal hormone therapyParenchymal uptakeBreast cancerMolecular breast imagingHormone therapyClinical factorsMammographic densityDense breastsBI-RADS density categoriesChi-square testMenopausal statusPatient characteristicsHormonal contraceptivesEligible participantsGail modelMenstrual cycleSubsequent riskPrevious mammogramsMolecular breastBreast implantsUnderlying causeCancerBreastWomen
2012
Gamma camera breast imaging lexicon.
Conners AL, Maxwell RW, Tortorelli CL, Hruska CB, Rhodes DJ, Boughey JC, Berg WA. Gamma camera breast imaging lexicon. American Journal Of Roentgenology 2012, 199: w767-74. PMID: 23169751, DOI: 10.2214/ajr.11.8298.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overArtifactsBreast DiseasesFemaleGamma CamerasHumansMiddle AgedRadionuclide ImagingRadiopharmaceuticalsTerminology as TopicProof of concept for low‐dose molecular breast imaging with a dual‐head CZT gamma camera. Part II. Evaluation in patients
Hruska CB, Weinmann AL, Skjerseth C, Wagenaar EM, Conners AL, Tortorelli CL, Maxwell RW, Rhodes DJ, O'Connor MK. Proof of concept for low‐dose molecular breast imaging with a dual‐head CZT gamma camera. Part II. Evaluation in patients. Medical Physics 2012, 39: 3476-3483. PMID: 22755727, PMCID: PMC3376157, DOI: 10.1118/1.4719959.Peer-Reviewed Original ResearchConceptsMolecular breast imagingMBq TcDiagnostic accuracyIntrareader agreementMedian lesion sizeLesion detectionPatient studiesEffective radiation doseTelluride gamma cameraSimilar diagnostic accuracyAdequate lesion detectionAdjunct screening techniqueGamma cameraAdministered dosesCount densityClinical careSeparate cohortLesion sizeMBq injectionMolecular breastLow dosesPatientsDense breastsBreast lesionsDosesThe Use of Molecular Breast Imaging to Assess Response in Women Undergoing Neoadjuvant Therapy for Breast Cancer
Wahner-Roedler DL, Boughey JC, Hruska CB, Chen B, Rhodes DJ, Tortorelli CL, Maxwell RW, S. S, O'Connor MK. The Use of Molecular Breast Imaging to Assess Response in Women Undergoing Neoadjuvant Therapy for Breast Cancer. Clinical Nuclear Medicine 2012, 37: 344-350. PMID: 22391702, PMCID: PMC3296091, DOI: 10.1097/rlu.0b013e31824437b3.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBreastBreast NeoplasmsFemaleHumansMiddle AgedNeoadjuvant TherapyPilot ProjectsRadionuclide ImagingTreatment OutcomeTumor BurdenConceptsMolecular breast imagingNeoadjuvant therapyTumor sizeBreast cancerResidual tumor sizeProspective pilot studyInvasive breast cancerBreast cancer treatmentTumor-specific radiopharmaceuticalsPathologic extentResidual diseasePretreatment valuesTumor responseTumor extentPosttreatment valuesIntravenous injectionPathologic measurementsRadiotracer uptakePredictive valueMolecular breastPatientsCancerCancer treatmentPilot studyInterest analysisLexicon for standardized interpretation of gamma camera molecular breast imaging: observer agreement and diagnostic accuracy
Conners AL, Hruska CB, Tortorelli CL, Maxwell RW, Rhodes DJ, Boughey JC, Berg WA. Lexicon for standardized interpretation of gamma camera molecular breast imaging: observer agreement and diagnostic accuracy. European Journal Of Nuclear Medicine And Molecular Imaging 2012, 39: 971-982. PMID: 22289959, DOI: 10.1007/s00259-011-2054-z.Peer-Reviewed Original Research
2010
Dedicated Dual-Head Gamma Imaging for Breast Cancer Screening in Women with Mammographically Dense Breasts
Rhodes DJ, Hruska CB, Phillips SW, Whaley DH, O'Connor MK. Dedicated Dual-Head Gamma Imaging for Breast Cancer Screening in Women with Mammographically Dense Breasts. Radiology 2010, 258: 106-18. PMID: 21045179, DOI: 10.1148/radiol.10100625.Peer-Reviewed Original ResearchConceptsPositive predictive valueBreast cancerDense breastsDiagnostic yieldNode-negative breast cancerAdditional risk factorsNumber of patientsGamma imagingNumber of biopsiesBreast cancer screeningHIPAA-compliant protocolIpsilateral cancerAbnormal findingsAsymptomatic womenEligible participantsCancer screeningRisk factorsSestamibi injection
2008
Molecular breast imaging: use of a dual-head dedicated gamma camera to detect small breast tumors.
Hruska CB, Phillips SW, Whaley DH, Rhodes DJ, O'Connor MK. Molecular breast imaging: use of a dual-head dedicated gamma camera to detect small breast tumors. American Journal Of Roentgenology 2008, 191: 1805-15. PMID: 19020253, PMCID: PMC3885170, DOI: 10.2214/ajr.07.3693.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBreast NeoplasmsEquipment DesignEquipment Failure AnalysisFemaleGamma CamerasHumansImage EnhancementMiddle AgedMolecular Probe TechniquesRadionuclide ImagingRadiopharmaceuticalsReproducibility of ResultsSensitivity and SpecificitySingle-Blind MethodTechnetium Tc 99m SestamibiConceptsMolecular breast imagingMolecular breastBI-RADS category 4Breast imagingMBq of technetiumSmall breast tumorsTelluride gamma cameraGamma cameraSubcentimeter lesionsUptake scoreAdditional cancersBlinded reviewDetection of cancerBreast tumorsLesionsSmall lesionsBreastPatientsBreast lesionsBlinded readersCancerOblique viewCategory 4Mediolateral oblique viewTumorsScientific Impact Recognition Award: Molecular breast imaging: A review of the Mayo Clinic experience
Hruska CB, Boughey JC, Phillips SW, Rhodes DJ, Wahner-Roedler DL, Whaley DH, Degnim AC, O'Connor MK. Scientific Impact Recognition Award: Molecular breast imaging: A review of the Mayo Clinic experience. The American Journal Of Surgery 2008, 196: 470-476. PMID: 18723155, PMCID: PMC2603338, DOI: 10.1016/j.amjsurg.2008.06.005.Peer-Reviewed Original ResearchConceptsMolecular breast imagingInvasive ductal carcinomaInvasive lobular carcinomaDuctal carcinomaLobular carcinomaHigh-risk patientsExtent of diseaseMayo Clinic experienceBreast cancer screeningSurgical treatment planningBreast imagingMultifocal diseaseCancer screeningInstitutional protocolAdditional diseaseClinic experienceCarcinomaDiseaseFunctional uptakeTreatment planningMBI studiesPromising roleTumorsBreastCancer detection
2007
Molecular Breast Imaging: Advantages and Limitations of a Scintimammographic Technique in Patients with Small Breast Tumors
O'Connor MK, Phillips SW, Hruska CB, Rhodes DJ, Collins DA. Molecular Breast Imaging: Advantages and Limitations of a Scintimammographic Technique in Patients with Small Breast Tumors. The Breast Journal 2007, 13: 3-11. PMID: 17214787, DOI: 10.1111/j.1524-4741.2006.00356.x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingCarcinoma, LobularCarcinoma, PapillaryFemaleHumansMammographyMiddle AgedPredictive Value of TestsRadionuclide ImagingSensitivity and SpecificityTechnetium Tc 99m SestamibiUltrasonographyConceptsMolecular breast imagingSmall breast tumorsBreast tumorsEvidence of cancerFalse-positive scansLarger patient populationMalignant breast tumorsStandard mammographic viewsMBq TcOccult tumorsPatient populationMalignant tumorsPositive scansPatientsTumorsBreast tissueSubjective discomfortBiopsySurgeryMammographic viewsGamma cameraBreast imagingBreast thicknessPreliminary studyRegular detection
2005
Molecular Breast Imaging: A New Technique Using Technetium Tc 99m Scintimammography to Detect Small Tumors of the Breast
Rhodes DJ, O'Connor MK, Phillips SW, Smith RL, Collins DA. Molecular Breast Imaging: A New Technique Using Technetium Tc 99m Scintimammography to Detect Small Tumors of the Breast. Mayo Clinic Proceedings 2005, 80: 24-30. DOI: 10.4065/80.1.24.Peer-Reviewed Original ResearchConceptsMolecular breast imagingMalignant lesionsTechnetium TcBreast parenchymaEvidence of cancerTrue-negative scansFalse-positive scansSensitivity of mammographyTelluride gamma cameraMagnetic resonance imagingTrue positive casesMalignant breast lesionsGamma cameraFat necrosisFalse-positive resultsSmall cancersAdditional lesionsDetection of lesionsSmall tumorsPatientsBenign fibroadenomasLesionsResonance imagingBreast contralateralSurgery
2003
Evaluation of a small cadmium zinc telluride detector for scintimammography.
Mueller B, O'Connor MK, Blevis I, Rhodes DJ, Smith R, Collins DA, Phillips SW. Evaluation of a small cadmium zinc telluride detector for scintimammography. Journal Of Nuclear Medicine 2003, 44: 602-9. PMID: 12679406.Peer-Reviewed Original ResearchConceptsSmall glass spheresCZT detectorsCadmium zinc telluride detectorsGlass spheresWater tankDetector elementsCZT systemBreast phantom imagesEffect of variationTelluride detectorIntegral uniformitySpatial resolutionSuperior performanceField of viewSmall spheresCameraConventional gamma cameraPhantom modelLarge fieldPerformanceResolution collimatorEnergy resolutionRange 0CollimatorTank