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Abstract #3633

3D Multichannel Convolutional Neural Network for Differentiating Benign and Malignant Solid Renal Masses with/without Bias Field Correction

Peter Wawrzyn1, Ruben Ngnitewe Massa1, Jamal Gardezi1, and Andrew Wentland1,2,3
1Department of Radiology, University of Wisconsin Madison, Madison, WI, United States, 2Department of Biomedical Engineering, University of Wisconsin Madison, Madison, WI, United States, 3Department of Medical Physics, University of Wisconsin Madison, Madison, WI, United States

Synopsis

Keywords: Kidney, Machine Learning/Artificial Intelligence, Bias Field CorrectionA deep learning model was developed for the differentiation of benign and malignant solid renal masses. A representative and balanced dataset was used, and model performance was evaluated with and without bias field correction (BFC). The model input contained multiple channels for various MRI-based tissue contrast weightings. The model achieved an accuracy and AUC of 74% and 71% with BFC and 80% and 59% without BFC. This work showed that a convolutional neural network can be trained to differentiate benign from malignant renal masses with a high degree of accuracy and that BFC improves AUC.

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Keywords