Deep learning prediction of renal anomalies for prenatal ultrasound diagnosis

Author:

Miguel Olivier X.,Kaczmarek Emily,Lee Inok,Ducharme Robin,Dingwall-Harvey Alysha L. J.,Rennicks White Ruth,Bonin Brigitte,Aviv Richard I.,Hawken Steven,Armour Christine M.,Dick Kevin,Walker Mark C.

Abstract

AbstractDeep learning algorithms have demonstrated remarkable potential in clinical diagnostics, particularly in the field of medical imaging. In this study, we investigated the application of deep learning models in early detection of fetal kidney anomalies. To provide an enhanced interpretation of those models’ predictions, we proposed an adapted two-class representation and developed a multi-class model interpretation approach for problems with more than two labels and variable hierarchical grouping of labels. Additionally, we employed the explainable AI (XAI) visualization tools Grad-CAM and HiResCAM, to gain insights into model predictions and identify reasons for misclassifications. The study dataset consisted of 969 ultrasound images from unique patients; 646 control images and 323 cases of kidney anomalies, including 259 cases of unilateral urinary tract dilation and 64 cases of unilateral multicystic dysplastic kidney. The best performing model achieved a cross-validated area under the ROC curve of 91.28% ± 0.52%, with an overall accuracy of 84.03% ± 0.76%, sensitivity of 77.39% ± 1.99%, and specificity of 87.35% ± 1.28%. Our findings emphasize the potential of deep learning models in predicting kidney anomalies from limited prenatal ultrasound imagery. The proposed adaptations in model representation and interpretation represent a novel solution to multi-class prediction problems.

Funder

Canadian Institutes of Health Research

Publisher

Springer Science and Business Media LLC

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