WANG Xun,TU Lei,ZHOU Si-jia.Diagnostic value of multi-slice spiral CT in pulmonary nodules of different properties[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2025,34(09):809-812.
WANG Xun,TU Lei,ZHOU Si-jia.Diagnostic value of multi-slice spiral CT in pulmonary nodules of different properties[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2025,34(09):809-812. DOI: 10.11659/jjssx.11E024087.
Diagnostic value of multi-slice spiral CT in pulmonary nodules of different properties
To explore the diagnostic value of multi-slice spiral CT in pulmonary nodules of different properties.
Methods
2
The clinical data of 150 patients with pulmonary nodules who were treated at Tongren People's Hospital from October 2022 to October 2023 were collected for a retrospective study. All patients underwent multi-slice spiral CT examinations, and the benign and malignant grouping was conducted based on the results of lung biopsy. The CT imaging characteristics and CT perfusion parameters of patients with benign pulmonary nodulesand malignant pulmonary nodules were compared, and the diagnostic value of multi-slice spiral CT for benign and malignant pulmonary nodules was evaluated.
Results
2
The results of lung biopsy showed that among the 150 patients with pulmonary nodules, there were 62 patients with malignant pulmonary nodules (malignant nodule group) and 88 patients with benign pulmonary nodules (benign nodule group). The proportion of calcification patients in the malignant nodule group was significantly lower than that in the benign nodule group, while the proportions of patients with vacuolar sign, lobulation sign, spinous protrusion, and spiculation sign were significantly higher than those in the benign nodule group, and the differences were statistically significant (
P
<
0.05). There was no statistically significant difference in the mean transit time (MTT) between the malignant nodule group and the benign nodule group (
P
>
0.05). The blood flow (BF), blood volume (BV), and permeability surface(PS) of patients in the malignant nodule group were significantly higher than those in the benign nodule group, and the differences were statistically significant (
P
<
0.05). Taking the lung biopsy results of patients with pulmonary nodules as the gold standard, the diagnostic accuracy of multi-slice spiral CT for malignant nodules was 94.00%, the diagnostic sensitivity was 95.16%, the diagnostic specificity was 93.18%, the positive predictive value was 90.77%, and the negative predictive value was 96.47%.
Conclusion
2
There are significant differences in CT imaging features and perfusion parameters among patients with pulmonary nodules of different properties. Multi-slice spiral CT can effectively distinguish benign and malignant pulmonary nodules and has good diagnostic efficiency.
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