Radiological Society of North America/Quantitative Imaging Biomarker Alliance Shear Wave Speed Bias Quantification in Elastic and Viscoelastic Phantoms.
Mark L PalmeriAndy MilkowskiRichard G BarrPaul L CarsonMathieu CouadeJun ChenShigao ChenManish DhyaniRichard L EhmanBrian GarraAlbert GeeGilles GuenetteZaegyoo HahTed LynchMichael MacdonaldRavi ManaguliVeronique MietteKathryn R NightingaleNancy A ObuchowskiNed C RouzeD Cody MorrisShana FieldingYufeng DengDerek Y ChanKingshuk Roy ChoudhurySiyun YangAnthony E SamirVijay ShamdasaniMatthew W UrbanKeith A WearHua XieArinc OzturkBo QiangPengfei SongStephen McAleaveyStephen RosenzweigMichael WangYoko OkamuraGlen McLaughlinYuling ChenDavid NapolitanoLindsey C CarlsonTodd ErpeldingTimothy J HallPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2021)
Shear wave speed reconstruction across different manufacturer systems is more consistent in elastic than viscoelastic phantoms, with a mean difference bias of < ±10% in all cases. Magnetic resonance elastographic measurements in the elastic and viscoelastic phantoms best match the ultrasound systems with a 140-Hz excitation but have a significant negative bias operating at 60 Hz. This study establishes a foundation for meaningful comparison of SWS measurements made with different platforms.