2022
DOI: 10.12659/msm.936830
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A Novel Deep Learning Model to Distinguish Malignant Versus Benign Solid Lung Nodules

Abstract: Background In this study we aimed to establish a new transfer learning model based on noncontrast and thin-layer computed tomography (CT) scans to distinguish between malignant and benign solid lung nodules. Material/Methods CT images from 202 patients with 210 lesions (malignant: 127, benign: 83) manifesting as solid lung nodules from January 2016 to December 2020 from 3 institutions were retrospectively collected, and each nodule was histopathologically confirmed. Two… Show more

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Cited by 7 publications
(5 citation statements)
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“…The size of the pulmonary nodule was an important indicator of malignancy risk, and only nodules with a diameter larger than 6 mm have a slightly elevated risk (≥ 1%) of malignancy based on Lung CT Screening Reporting and Data System (Lung-RADS) [20]. In our research, the minimum size of malignant nodules in our study was larger than benign nodules in both training and validation data set (12mm Verus 10mm, and 12mm Verus 11mm), which were smaller than in previous reports [13]. What's more, our benign nodules contained many uncommon categories including granulomatous in ammation, hamartomas, and others, which are di cult to differentiate from lung cancer by means of clinical characteristics.…”
Section: Discussioncontrasting
confidence: 54%
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“…The size of the pulmonary nodule was an important indicator of malignancy risk, and only nodules with a diameter larger than 6 mm have a slightly elevated risk (≥ 1%) of malignancy based on Lung CT Screening Reporting and Data System (Lung-RADS) [20]. In our research, the minimum size of malignant nodules in our study was larger than benign nodules in both training and validation data set (12mm Verus 10mm, and 12mm Verus 11mm), which were smaller than in previous reports [13]. What's more, our benign nodules contained many uncommon categories including granulomatous in ammation, hamartomas, and others, which are di cult to differentiate from lung cancer by means of clinical characteristics.…”
Section: Discussioncontrasting
confidence: 54%
“…Lately, with the development of arti cial intelligence, deep learning has developed rapidly and has applied to medical research. Among them, CNNs whose main tasks were feature extraction and classi cation, have achieved success in the detection and differentiation of pulmonary nodules [13][14][15]21]. In this research, we established E cientNet-B0 and Res2Net models as 2D and 3D modules, respectively.…”
Section: Discussionmentioning
confidence: 99%
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“…Wang et al created a model based on retrospective non-contrast thin-layer CT scans to distinguish between benign and malignant solid lung nodules. The model’s accuracy was 98.9%, which was higher than other models’ accuracies ( 68 ). Schwyzer et al used ANNs to assess the detection of lung cancer based on varying doses of PET ( 69 ).…”
Section: Machine Learningmentioning
confidence: 55%
“…ANN diagnosis achieves growing acceptance in the field of radiology [ 23 ]. Taking into account the aging population and the growing number of cancer patients, the future role of ANNs in cancer diagnosis seems inevitable [ 1 ].…”
Section: Discussionmentioning
confidence: 99%