From Pixel to Slide image: Polarization Modality-based Pathological Diagnosis Using Representation Learning

• URL: http://arxiv.org/abs/2401.01496v1
• Date: Wed, 3 Jan 2024 02:01:09 GMT
• Title: From Pixel to Slide image: Polarization Modality-based Pathological Diagnosis Using Representation Learning
• Authors: Jia Dong, Yao Yao, Yang Dong, Hui Ma
• Abstract summary: Pathologically, thyroid tumors pose diagnostic challenges due to improper specimen sampling. We have designed a three-stage model using representation learning to integrate pixel-level and slice-level annotations for distinguishing thyroid tumors.
• Score: 9.326969394501958
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Thyroid cancer is the most common endocrine malignancy, and accurately distinguishing between benign and malignant thyroid tumors is crucial for developing effective treatment plans in clinical practice. Pathologically, thyroid tumors pose diagnostic challenges due to improper specimen sampling. In this study, we have designed a three-stage model using representation learning to integrate pixel-level and slice-level annotations for distinguishing thyroid tumors. This structure includes a pathology structure recognition method to predict structures related to thyroid tumors, an encoder-decoder network to extract pixel-level annotation information by learning the feature representations of image blocks, and an attention-based learning mechanism for the final classification task. This mechanism learns the importance of different image blocks in a pathological region, globally considering the information from each block. In the third stage, all information from the image blocks in a region is aggregated using attention mechanisms, followed by classification to determine the category of the region. Experimental results demonstrate that our proposed method can predict microscopic structures more accurately. After color-coding, the method achieves results on unstained pathology slides that approximate the quality of Hematoxylin and eosin staining, reducing the need for stained pathology slides. Furthermore, by leveraging the concept of indirect measurement and extracting polarized features from structures correlated with lesions, the proposed method can also classify samples where membrane structures cannot be obtained through sampling, providing a potential objective and highly accurate indirect diagnostic technique for thyroid tumors.

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