Large-scale Gastric Cancer Screening and Localization Using Multi-task Deep Neural Network

by   Hong Yu, et al.
Shanghai Second Medical University

Gastric cancer is one of the most common cancers, which ranks third among the leading causes of cancer death. Biopsy of gastric mucosal is a standard procedure in gastric cancer screening test. However, manual pathological inspection is labor-intensive and time-consuming. Besides, it is challenging for an automated algorithm to locate the small lesion regions in the gigapixel whole-slide image and make the decision correctly. To tackle these issues, we collected large-scale whole-slide image dataset with detailed lesion region annotation and designed a whole-slide image analyzing framework consisting of 3 networks which could not only determine the screen result but also present the suspicious areas to the pathologist for reference. Experiments demonstrated that our proposed framework achieves sensitivity of 97.05 92.72 Furthermore, we tested our best model in real-world scenario on 10, 316 whole-slide images collected from 4 medical centers.


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