CellOMaps: A Compact Representation for Robust Classification of Lung Adenocarcinoma Growth Patterns

• URL: http://arxiv.org/abs/2501.08094v1
• Date: Tue, 14 Jan 2025 13:09:36 GMT
• Title: CellOMaps: A Compact Representation for Robust Classification of Lung Adenocarcinoma Growth Patterns
• Authors: Arwa Al-Rubaian, Gozde N. Gunesli, Wajd A. Althakfi, Ayesha Azam, David Snead, Nasir M. Rajpoot, Shan E Ahmed Raza,
• Abstract summary: Lung adenocarcinoma (LUAD) is a morphologically heterogeneous disease, characterized by five primary histological growth patterns. We propose a generalizable machine learning pipeline capable of classifying lung tissue into one of the five patterns or as non-tumor.
• Score: 6.926573278857427
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• Abstract: Lung adenocarcinoma (LUAD) is a morphologically heterogeneous disease, characterized by five primary histological growth patterns. The classification of such patterns is crucial due to their direct relation to prognosis but the high subjectivity and observer variability pose a major challenge. Although several studies have developed machine learning methods for growth pattern classification, they either only report the predominant pattern per slide or lack proper evaluation. We propose a generalizable machine learning pipeline capable of classifying lung tissue into one of the five patterns or as non-tumor. The proposed pipeline's strength lies in a novel compact Cell Organization Maps (cellOMaps) representation that captures the cellular spatial patterns from Hematoxylin and Eosin whole slide images (WSIs). The proposed pipeline provides state-of-the-art performance on LUAD growth pattern classification when evaluated on both internal unseen slides and external datasets, significantly outperforming the current approaches. In addition, our preliminary results show that the model's outputs can be used to predict patients Tumor Mutational Burden (TMB) levels.

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