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Abstract #2456

Scanner Variability of MR Based Radiomics Features

Peter Gibbs1, Eun Sook Ko1, Meredith Sadinski1, and Elizabeth Morris1

1Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States

This work utilizes an MR phantom to determine the repeatability, quartile coefficient of dispersion and potential efficacy of textural parameters calculated from gray level co-occurrence matrices, run length matrices, size zone matrices and neighborhood gray tone difference matrices. Images were obtained at 3 different field strengths, across 3 different manufacturers. Parameters based on gray level co-occurrence matrices showed excellent repeatability and low dispersion, whilst still demonstrating excellent discrimination between contrasting regions of interest.

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