Automatic MR kidney segmentation for autosomal dominant polycystic kidney disease

Guangrui Mu; Yiyi Ma; Miaofei Han; Yiqiang Zhan; Xiang Zhou; Yaozong Gao

doi:10.1117/12.2512372

13 March 2019 Automatic MR kidney segmentation for autosomal dominant polycystic kidney disease

Guangrui Mu, Yiyi Ma, Miaofei Han, Yiqiang Zhan, Xiang Zhou, Yaozong Gao

Proceedings Volume 10950, Medical Imaging 2019: Computer-Aided Diagnosis; 109500X (2019) https://doi.org/10.1117/12.2512372
Event: SPIE Medical Imaging, 2019, San Diego, California, United States

Abstract

Measurement of total kidney volume (TKV) plays an important role in the early therapeutic stage of autosomal dominant polycystic kidney disease (ADPKD). As a crucial biomarker, an accurate TKV can sensitively reflect the disease progression and be used as an indicator to evaluate the curative effect of the drug. However, manual contouring of kidneys in magnetic resonance (MR) images is time-consuming (40 minutes), which greatly hinders the wide adoption of TKV in clinic. In this paper, we propose a multi-resolution 3D convolutional neural network to automatically segment kidneys of ADPKD patients from MR images. We adopt two resolutions and use a customized V-Net model for both resolutions. The V-Net model is able to integrate both high-level context information with detailed local information for accurate organ segmentation. The V-Net model in the coarse resolution can robustly localize the kidneys, while the VNet model in the fine resolution can accurately refine the kidney boundaries. Validated on 305 subjects with different loss functions and network architectures, our method can achieve over 95% Dice similarity coefficient with the groundtruth labeled by a senior physician. Moreover, the proposed method can dramatically reduce the measurement of kidney volume from 40 minutes to about 1 second, which can greatly accelerate the disease staging of ADPKD patients for large clinical trials, promote the development of related drugs, and reduce the burden of physicians.

Conference Presentation

Citation Download Citation

Guangrui Mu, Yiyi Ma, Miaofei Han, Yiqiang Zhan, Xiang Zhou, and Yaozong Gao "Automatic MR kidney segmentation for autosomal dominant polycystic kidney disease", Proc. SPIE 10950, Medical Imaging 2019: Computer-Aided Diagnosis, 109500X (13 March 2019); https://doi.org/10.1117/12.2512372

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