2025
Modeling inter‐reader variability in clinical target volume delineation for soft tissue sarcomas using diffusion model
Dong Y, Marin T, Zhuo Y, Najem E, Beddok A, Rozenblum L, Moteabbed M, Grogg K, Xing F, Woo J, Chen Y, Lim R, Liu X, Ma C, Fakhri G. Modeling inter‐reader variability in clinical target volume delineation for soft tissue sarcomas using diffusion model. Medical Physics 2025 PMID: 40317577, DOI: 10.1002/mp.17865.Peer-Reviewed Original ResearchClinical target volumeGross tumor volumeClinical target volume delineationSoft tissue sarcomasInter-reader variabilityTissue sarcomasClinical target volume contoursMagnetic resonance imagingCTV delineationTarget volume delineationComputed tomographyTreatment of soft tissue sarcomasFluorodeoxyglucose positron emission tomographyCTV contoursTarget volumeVolume delineationT1-weighted magnetic resonance imagingRadiotherapy treatmentEnergy distanceHigh Dice indexPositron emission tomographyTumor volumeMicroscopic spreadFDG-PETTreatment planningGross tumor volume confidence maps prediction for soft tissue sarcomas from multi-modality medical images using a diffusion model
Dong Y, Marin T, Zhuo Y, Najem E, Moteabbed M, Xing F, Beddok A, Lahoud R, Rozenblum L, Ding Z, Liu X, Grogg K, Woo J, Chen Y, Lim R, Ma C, Fakhri G. Gross tumor volume confidence maps prediction for soft tissue sarcomas from multi-modality medical images using a diffusion model. Physics And Imaging In Radiation Oncology 2025, 33: 100734. PMID: 40123775, PMCID: PMC11926426, DOI: 10.1016/j.phro.2025.100734.Peer-Reviewed Original ResearchGross tumor volumeSoft tissue sarcomasTissue sarcomasGross tumor volume delineationManual GTV delineationsMagnetic resonance imagingComputed tomographyFluorodeoxyglucose positron emission tomographyGTV delineationT1-weighted magnetic resonance imagingSingle-modePositron emission tomographyMulti-modal medical imagesTumor volumeIntra-reader variabilityFDG-PETTreatment planningSarcomaEmission tomographyImaging modalitiesResonance imagingDiffusion modelDice indexReader variabilityPatients
2007
Pre-operative estimation of esophageal tumor metabolic length in FDG-PET images with surgical pathology confirmation
Mamede M, Fakhri G, Abreu-e-Lima P, Gandler W, Nosé V, Gerbaudo V. Pre-operative estimation of esophageal tumor metabolic length in FDG-PET images with surgical pathology confirmation. Annals Of Nuclear Medicine 2007, 21: 553-562. PMID: 18092131, DOI: 10.1007/s12149-007-0040-0.Peer-Reviewed Original ResearchConceptsEndoscopic ultrasoundFDG-PETSurgical pathologyFDG-PET computed tomographyMaximum standardized uptake valueFluorodeoxyglucose positron emission tomographyUntreated esophageal carcinomaStandardized uptake valueMethodsThirty-four patientsPositive nonsignificant correlationFDG-PET imagingPre-operative estimationPositron emission tomographyAverage SUVNeoadjuvant therapyTumor involvementTumor lengthEsophageal carcinomaNoninvasive delineationEsophageal cancerUptake valueInferior extentObjectiveThe aimMethodsThirty-fourEmission tomography
2002
Impact of Acquisition Geometry and Patient Habitus on Lesion Detectability in Whole-Body FDG-PET: A Channelized Hotelling Observer Study
Fakhri G, Holdsworth C, Badawi R, Santos P, Moore S, Van den Abbeele A, Kijewski M. Impact of Acquisition Geometry and Patient Habitus on Lesion Detectability in Whole-Body FDG-PET: A Channelized Hotelling Observer Study. 2002, 3: 1402-1405. DOI: 10.1109/nssmic.2002.1239583.Peer-Reviewed Original ResearchBed positionChannelized Hotelling observer studyFDG-PET studiesAttenuation mapAcquisition modeMarginal detectionFDG-PETLesion detectionWhole-body FDG-PETHotelling observerScaling 2DTypical sizePatient sizeHours post-injectionPatient habitusAnatomical backgroundWhole bodyLesion sizeObservational studyPatientsLesionsLesion siteModePost-injectionAcquisition geometry
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