Assessment of Fat Fractions of Tongues, Pharyngeal Walls, and Soft Palates by GOOSE and DIXON methods
Ruitian Song1, Scott N. Hwang2, Chris Goode1, Diana Storment1, Matthew Scoggins1, Zachary Abramson1, Claudia M Hillenbrand3, Belinda Mandrell4, Kevin Krull5, and Wilburn E. Reddick1
1Diagnostic Imaging, St Jude Children's Research Hospital, Memphis, TN, United States, 2Department of Radiology, Penn State Health Milton S Hershey Medical Center, Hershey, PA, United States, 3Research Imaging NSW, University of New South Wales, Sydney, Australia, 4Division Nursing Research, St Jude Children's Research Hospital, Memphis, TN, United States, 5Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN, United States
Among 63 participants, the fat fractions (FFs) were estimated and compared in tongues, posterior pharyngeal walls (PPWs), and soft palates (SPs) using two-point DIXON and GOOSE (Globally Optimal Surface Estimation) methods. DIXON was seriously impaired by B0 inhomogeneity and underestimated FF relative GOOSE. There was a strong correlation between these two methods in the tongues and SPs, and a weak one in the PPWs. In our opinion, an IDEAL-based method is preferred for estimating fat content. Extra attention is needed when using the two-point DIXON method.
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