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Chinese Journal of Clinical Laboratory Management(Electronic Edition) ›› 2022, Vol. 10 ›› Issue (03): 147-152. doi: 10.3877/cma.j.issn.2095-5820.2022.03.005

• Experiment Research • Previous Articles     Next Articles

Clinical features of patients with pulmonary nodules and their significance in judging benign and malignant

Fenjian Lao1, Wei Wang2, Guiyan Tan3, Chengzhi Zhou4, Mengzhang He1,()   

  1. 1. Department of respiratory medicine, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Guandong 511447, China
    2. Department of thoracic surgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Guandong 510260, China
    3. Faculty of Graduate Studies, Guangzhou Medical University, Guangzhou Guandong 511436, China
    4. Department of respiratory medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Guandong 510120, China
  • Received:2022-06-02 Online:2022-08-28 Published:2022-09-09
  • Contact: Mengzhang He

Abstract:

Objective

To explore the correlation between the characteristics of pulmonary nodules and their pathological results, and to speculate the clinical significance in judging the benign and malignant of pulmonary nodules.

Methods

A retrospective analysis of 147 patients with pulmonary nodules, including 39 cases benign (benign group) and 108 cases malignant (malignant group). To evaluate the effectiveness of statistically significant factors in differentiating the benign and malignant pulmonary nodules, the general conditions (age, gender, smoking history)、tumor indexes (CEA, SCCAg, NSE, CYFRA21-1) and high-resolution CT signs between the groups were compared.

Results

There was no significant difference in gender, smoking history, four lung cancer indexes, nodule size, nodule edge and burr sign between the groups (all P>0.05), but there were significant differences in age, family history of malignant tumor, nodule morphology, lobulation sign, vacuole sign and pleural traction sign (all P<0.05). The lobulation sign was the most effective factor in judging the benign and malignant of pulmonary nodules among the high-resolution CT signs, with a sensitivity of 79.6%. Logistic linear regression analysis showed that ground-glass nodule, lobulation and vacuole were all risk factors for malignancy (all P<0.05).

Conclusion

Age, family history of malignant tumor, nodule shape, lobulation sign, vacuole sign and pleural traction sign have certain reference significance in differentiating benign and malignant pulmonary nodules.

Key words: Pulmonary nodules, Lung cancer, Risk factors

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