Deep ordinal regression for automatic tumor cellularity assessment from pathological images

Bi Song; Albert Huang; Ming-Chang Liu

doi:10.1117/12.2607845

4 April 2022 Deep ordinal regression for automatic tumor cellularity assessment from pathological images

Bi Song, Albert Huang, Ming-Chang Liu

Proceedings Volume 12039, Medical Imaging 2022: Digital and Computational Pathology; 120390D (2022) https://doi.org/10.1117/12.2607845
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

Abstract

Breast cancer is one of the most common occurring cancers in women. Residual cancer burden measures tumor response to the therapy and is shown to be prognostic for long term survival. The percentage of invasive or in situ tumor cellularity is an important component of tumor burden assessment. In the current clinical practice, tumor cellularity is manually estimated by pathologists on hematoxylin and eosin (H&E) stained slides. In this paper, we present a deep ordinal regression framework to automatically assess cellularity from pathological images. We formulate the cellularity assessment as an ordinal regression problem and address by an end-to-end learning approach using deep convolutional neural networks. We evaluated the proposed methods on the SPIE BreastPathQ challenge dataset and achieved significant higher agreement with expert pathologist scoring in terms of intraclass correlation (ICC) of 0.94 (vs. 0.89 of the inter-rater agreements between pathologists).

Conference Presentation

Citation Download Citation

Bi Song, Albert Huang, and Ming-Chang Liu "Deep ordinal regression for automatic tumor cellularity assessment from pathological images", Proc. SPIE 12039, Medical Imaging 2022: Digital and Computational Pathology, 120390D (4 April 2022); https://doi.org/10.1117/12.2607845

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