Abstract #2801

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

Venkata Veerendranadh Chebrolu^1,2, Peter Kollasch^1,2, Eric G Stinson^1,2, 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 1^st, 2^nd and 3^rd 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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