Improved discrimination between benign and malignant LDCT screening-detected lung nodules with dynamic over static 18F-FDG PET as a function of injected dose
Ye Q, Wu J, Lu Y, Naganawa M, Gallezot JD, Ma T, Liu Y, Tanoue L, Detterbeck F, Blasberg J, Chen MK, Casey M, Carson RE, Liu C. Improved discrimination between benign and malignant LDCT screening-detected lung nodules with dynamic over static 18F-FDG PET as a function of injected dose. Physics In Medicine And Biology 2018, 63: 175015. PMID: 30095083, PMCID: PMC6158045, DOI: 10.1088/1361-6560/aad97f.Peer-Reviewed Original ResearchConceptsPopulation-based input functionStandardized uptake valueImage-derived input functionLung nodulesClinical trialsTime-activity curvesLow-dose computed tomography (LDCT) screeningLung cancer mortality ratesIndeterminate lung nodulesComputed Tomography ScreeningF-FDG PETCancer mortality ratesStatic PET acquisitionVirtual clinical trialsScan durationTomography screeningFDG injectionPET scansMortality rateUptake valueAccurate diagnosisMalignant lung nodulesROC analysisPatient dataMalignant nodulesHigh Single Doses of Radiation May Induce Elevated Levels of Hypoxia in Early-Stage Non-Small Cell Lung Cancer Tumors
Kelada OJ, Decker RH, Nath SK, Johung KL, Zheng MQ, Huang Y, Gallezot JD, Liu C, Carson RE, Oelfke U, Carlson DJ. High Single Doses of Radiation May Induce Elevated Levels of Hypoxia in Early-Stage Non-Small Cell Lung Cancer Tumors. International Journal Of Radiation Oncology • Biology • Physics 2018, 102: 174-183. PMID: 30102194, PMCID: PMC6092043, DOI: 10.1016/j.ijrobp.2018.05.032.Peer-Reviewed Original ResearchConceptsStereotactic body radiation therapyTumor hypoxic volumeHigh single dosesNon-small cell lung cancer (NSCLC) tumorsCell lung cancer tumorsLung cancer tumorsSingle dosesTumor hypoxiaTreatment failureNSCLC tumorsBlood ratioHypoxic volumeRadiation therapyDay 2F-fluoromisonidazole (FMISO) positron emission tomographyCancer tumorsInstitutional review board-approved studyTumor vascular responseBody radiation therapyBoard-approved studyConventional radiation therapyPositron emission tomographyBaseline hypoxiaDetectable hypoxiaNSCLC patients