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Abstract #2801

Subtle Intensity Graduating Homomorphic Transform with a Small-percentage of Fat-saturation to Improve Conspicuity of Meniscal Tears at 7T

Venkata Veerendranadh Chebrolu1,2, Peter Kollasch1,2, Eric G Stinson1,2, Andrew J Fagan2, Joel P Felmlee2, Benjamin M Howe2, Matthew A Frick2, and Kimberly K Amrami2
1Siemens Medical Solutions USA, Inc., Rochester, MN, United States, 2Department of Radiology, Mayo Clinic, Rochester, MN, United States

In this work, we propose the use of Subtle Intensity Graduating Homomorphic Transform (SIGHT) along with application of a small percentage of fat-saturation (fat-sat) to improve the conspicuity of meniscal tears at 7T. 2 musculoskeletal radiologists compared turbo-spin-echo (TSE) proton-density (PD)-weighted knee MRI (without fat-sat) with 12 different MRI options (TE, TR, fat-sat, field-of-view, and image-processing variations) for conspicuity of meniscal tears and rated 1st, 2nd and 3rd preferred options for each case. SIGHT image-processing applied to PD-weighted MRI along with a small percentage of fat-sat provided better conspicuity of meniscal tears than the regular PD- and T2-weighted MRI images.

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