Meeting Banner
Abstract #1676

Improved Fat Supression in Musculoskeletal Knee Imaging Using 3D Radial VIPR IDEAL

Leah C. Henze Bancroft1, Larry Hernandez2, Habib Al Saleh2, Kevin M. Johnson2, Richard Kijowski3, Walter F. Block4

1Biomedical Engineering, University of Wisconsin - Madison, Madison, WI, United States; 2Medical Physics, University of Wisconsin - Madison, Madison, WI, United States; 3Radiology, University of Wisconsin - Madison, Madison, WI, United States; 4Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States

Effective cartilage imaging and whole organ joint assessment requires both high isotropic resolution and fat suppression or separation. bSSFP imaging provides high intrinsic signal strength but TR constraints limit the achievable resolution. Presented here is an approach where a standard bSSFP has been implemented with using the previously developed 3D radial out and back VIPR trajectory modified to create 4 echo times for an IDEAL implementation . Here we demonstrate the high performance capabilities of this method at 3T with high resolution, 3D, T2 weighted knee imaging.

Abstract PDF Poster PDF

Keywords

achieve acknowledge acknowledgments acquisition adjacent allowing allows alternating approaches arrows artifacts assessment avoid axis back band banding bands better biomedical block blurred bone boundary bright capable cartilage challenging channel chosen circle circumvent coil collection combined comprised contrast create cycling delays depending described diagrams dictate discovery dual echoes edema effective efficiency engineering ensure features fluid gradients gratefully greatly half homogeneity ideal implementation improved improves incomplete instead interface interfaces intrinsic isotropic joint keep keeping knee layers lead lengths limitations limits makes many marrow medical minutes modest modified modulation muscle numerous obscured obscures offers offsets organ pass passes peak performance physics places played precision press previously producing proposed pulse radial radiology readout redundant represent represented required resolution resolutions respectively sample sampling scanner scheme selected separate short slightly spaced spacing still stop studies superior support supported suppress suppressed suppression surface texture theory timing trajectory ultra unique unit utilizing visualization volunteers water white whole width yellow