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Jpn J Radiol ; 41(8): 900-908, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-36988827

RESUMO

PURPOSE: Deep learning (DL) is a state-of-the-art technique for developing artificial intelligence in various domains and it improves the performance of natural language processing (NLP). Therefore, we aimed to develop a DL-based NLP model that classifies the status of bone metastasis (BM) in radiology reports to detect patients with BM. MATERIALS AND METHODS: The DL-based NLP model was developed by training long short-term memory using 1,749 free-text radiology reports written in Japanese. We adopted five-fold cross-validation and used 200 reports for testing the five models. The accuracy, sensitivity, specificity, precision, and area under the receiver operating characteristics curve (AUROC) were used for the model evaluation. RESULTS: The developed model demonstrated classification performance with mean ± standard deviation of 0.912 ± 0.012, 0.924 ± 0.029, 0.901 ± 0.014, 0.898 ± 0.012, and 0.968 ± 0.004 for accuracy, sensitivity, specificity, precision, and AUROC, respectively. CONCLUSION: The proposed DL-based NLP model may help in the early and efficient detection of patients with BM.


Assuntos
Neoplasias Ósseas , Aprendizado Profundo , Radiologia , Humanos , Inteligência Artificial , População do Leste Asiático , Processamento de Linguagem Natural , Radiologia/métodos , Neoplasias Ósseas/diagnóstico , Neoplasias Ósseas/secundário
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