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Volume 11,Issue 3

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26 March 2026

Research Progress on Biomarkers for Differential Diagnosis of Benign and Malignant Pulmonary Nodules

Jing Sun1 Ying Yang2* Shaoyong Dong2
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1 Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Hebei University, Baoding 071000, Hebei, China
2 Department of Thoracic Surgery, Affiliated Hospital of Hebei University, Baoding 071000, Hebei, China
APM 2026 , 11(3), 213–217; https://doi.org/10.18063/APM.v11i3.1674
© 2026 by the Author. Licensee Whioce Publishing, Singapore. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

Pulmonary nodules may serve as early manifestations of lung cancer, and accurate differentiation between benign and malignant lesions directly influences clinical diagnosis and treatment strategies. Traditional imaging features provide fundamental morphological references, yet their application is prone to subjective bias and exhibits significant limitations in detecting microlesions. Breakthroughs have been achieved in research on quantitative functional imaging metrics, radiomics information, AI-assisted models, and circulating tumor cells (CTCs). Multimodal and multi-parameter fusion-based discriminant models have demonstrated enhanced efficiency in nodule characterization, emerging as a core research trend in this field.

Keywords
Pulmonary nodule
Benign-malignant differentiation
Biomarker
Radiomics
Artificial intelligence
References

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[3] Ye H, Wu L, Zhou R, et al., 2025, The Diagnostic Value of Artificial Intelligence Combined with Multi-Slice Spiral CT in Differentiating Benign and Malignant Pulmonary Nodules. Journal of Medical Imaging, 35(10): 70–73.

[4] Cui K, Zhang X, 2021, Research Progress on Biomarkers for Differential Diagnosis of Benign and Malignant Pulmonary Nodules. Journal of Tuberculosis and Pulmonary Diseases, 2(03): 273–276.

[5] Shi J, Liu X, Ming Z, et al., 2021, The Value of Combined Cytokine and Tumor Marker Detection in the Differential Diagnosis of Benign and Malignant Solitary Pulmonary Nodules. China Journal of Lung Cancer, 24(06): 426–433.

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