2020/07/06 by Zhaoning Li, Jiangtao Ren · 9 citations
Biochemistry, Genetics and Molecular Biology · Computer Science · Medicine · #Artificial intelligence #Biomedical Text Mining and Ontologies #Computer science #Extractor #Feature extraction #Matching (statistics) #Medical imaging #Medicine #Natural Language Processing Techniques #Pathology #Radiology #Topic Modeling #cs.CL
paper · pdf · doi:10.1016/j.jbi.2020.103492
published in Journal of Biomedical Informatics 108, 103492 (Elsevier BV) · 30 pages, 5 figures, 8 tables
openalex publication_date 2020/07/06 · arxiv created 2020/11/08 · arxiv updated 2020/11/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Chest imaging reports describe the results of chest radiography procedures. Automatic extraction of abnormal imaging signs from chest imaging reports has a pivotal role in clinical research and a wide range of downstream medical tasks. However, there are few studies on information extraction from Chinese chest imaging reports. In this paper, we formulate chest abnormal imaging sign extraction as a sequence tagging and matching problem. On this basis, we propose a transferred abnormal imaging signs extractor with pretrained ERNIE as the backbone, named EASON (fine-tuning ERNIE with CRF for Abnormal Signs ExtractiON), which can address the problem of data insufficiency. In addition, to assign the attributes (the body part and degree) to corresponding abnormal imaging signs from the results of the sequence tagging model, we design a simple but effective tag2relation algorithm based on the nature of chest imaging report text. We evaluate our method on the corpus provided by a medical big data company, and the experimental results demonstrate that our method achieves significant and consistent improvement compared to other baselines.