Lung tumor segmentation in MRI mice scans using 3D nnU-Net with minimum annotations

• URL: http://arxiv.org/abs/2411.00922v1
• Date: Fri, 01 Nov 2024 14:32:58 GMT
• Title: Lung tumor segmentation in MRI mice scans using 3D nnU-Net with minimum annotations
• Authors: Piotr Kaniewski, Fariba Yousefi, Yeman Brhane Hagos, Nikolay Burlutskiy,
• Abstract summary: In drug discovery, accurate lung tumor segmentation is an important step for assessing tumor size and its progression using textitin-vivo imaging such as MRI. In this work, we focus on optimizing lung tumor segmentation in mice. First, we demonstrate that the nnU-Net model outperforms the U-Net, U-Net3+, and DeepMeta models. Most importantly, we achieve better results with nnU-Net 3D models than 2D models.
• Score: 0.4999814847776097
• License:
• Abstract: In drug discovery, accurate lung tumor segmentation is an important step for assessing tumor size and its progression using \textit{in-vivo} imaging such as MRI. While deep learning models have been developed to automate this process, the focus has predominantly been on human subjects, neglecting the pivotal role of animal models in pre-clinical drug development. In this work, we focus on optimizing lung tumor segmentation in mice. First, we demonstrate that the nnU-Net model outperforms the U-Net, U-Net3+, and DeepMeta models. Most importantly, we achieve better results with nnU-Net 3D models than 2D models, indicating the importance of spatial context for segmentation tasks in MRI mice scans. This study demonstrates the importance of 3D input over 2D input images for lung tumor segmentation in MRI scans. Finally, we outperform the prior state-of-the-art approach that involves the combined segmentation of lungs and tumors within the lungs. Our work achieves comparable results using only lung tumor annotations requiring fewer annotations, saving time and annotation efforts. This work\footnote{\url{https://anonymous.4open.science/r/lung-tumour-mice-mri-64BB}} is an important step in automating pre-clinical animal studies to quantify the efficacy of experimental drugs, particularly in assessing tumor changes.

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