2022
Feasibility study of clinical target volume definition for soft-tissue sarcoma using muscle fiber orientations derived from diffusion tensor imaging
Shusharina N, Liu X, Coll-Font J, Foster A, Fakhri G, Woo J, Bortfeld T, Nguyen C. Feasibility study of clinical target volume definition for soft-tissue sarcoma using muscle fiber orientations derived from diffusion tensor imaging. Physics In Medicine And Biology 2022, 67: 155013. PMID: 35817048, PMCID: PMC9344976, DOI: 10.1088/1361-6560/ac8045.Peer-Reviewed Original ResearchConceptsClinical target volumeSoft tissue sarcomasHealthy volunteersClinical target volume definitionClinical target volume delineationRight thighGross tumor volumeTarget volume definitionEcho-planar acquisitionsTarget volumeAuto-segmentationTumor volumeVolume definitionSarcoma patientsTissue sarcomasCT planeConvolutional neural networkT2-weightedCancer CenterPlanar acquisitionImaging sessionFat suppressionMR imagingSarcomaAnatomical orientation
2015
Mapping 15O Production Rate for Proton Therapy Verification
Grogg K, Alpert N, Zhu X, Min C, Testa M, Winey B, Normandin M, Shih H, Paganetti H, Bortfeld T, Fakhri G. Mapping 15O Production Rate for Proton Therapy Verification. International Journal Of Radiation Oncology • Biology • Physics 2015, 92: 453-459. PMID: 25817530, PMCID: PMC4431894, DOI: 10.1016/j.ijrobp.2015.01.023.Peer-Reviewed Original ResearchConceptsDecay constantProton treatment planningMonte Carlo predictionsProton therapyPhantom materialTreatment deliveryPhantomThigh activityPositron emission tomographyProduction rateDynamic PET measurementsTreatment planningRabbit thigh muscleClearance rateProtonIsotopesChanges due to therapyRadionuclide speciesOxygen-15ConstantDecayImaging targetsMontePositronEffects of perfusion