Automated Scoring System of HER2 in Pathological Images under the Microscope

• URL: http://arxiv.org/abs/2110.12900v1
• Date: Thu, 21 Oct 2021 01:38:35 GMT
• Title: Automated Scoring System of HER2 in Pathological Images under the Microscope
• Authors: Zichen Zhang, Lang Wang, and Shuhao Wang
• Abstract summary: We propose a HER2 automated scoring system that strictly follows the HER2 scoring guidelines. The proposed system will be embedded in our Thorough Eye platform for deployment in hospitals.
• Score: 3.689994643251581
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Breast cancer is the most common cancer among women worldwide. The human epidermal growth factor receptor 2(HER2) with immunohistochemical(IHC) is widely used for pathological evaluation to provide the appropriate therapy for patients with breast cancer. However, the deficiency of pathologists is extremely significant in the current society, and visual diagnosis of the HER2 overexpression is subjective and susceptible to inter-observer variation. Recently, with the rapid development of artificial intelligence(AI) in disease diagnosis, several automated HER2 scoring methods using traditional computer vision or machine learning methods indicate the improvement of the HER2 diagnostic accuracy, but the unreasonable interpretation in pathology, as well as the expensive and ethical issues for annotation, make these methods still have a long way to deploy in hospitals to ease pathologists' burden in real. In this paper, we propose a HER2 automated scoring system that strictly follows the HER2 scoring guidelines simulating the real workflow of HER2 scores diagnosis by pathologists. Unlike the previous work, our method takes the positive control of HER2 into account to make sure the assay performance for each slide, eliminating work for repeated comparison and checking for the current field of view(FOV) and positive control FOV, especially for the borderline cases. Besides, for each selected FOV under the microscope, our system provides real-time HER2 scores analysis and visualizations of the membrane staining intensity and completeness corresponding with the cell classification. Our rigorous workflow along with the flexible interactive adjustion in demand substantially assists pathologists to finish the HER2 diagnosis faster and improves the robustness and accuracy. The proposed system will be embedded in our Thorough Eye platform for deployment in hospitals.

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