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| Application of bronchoscopy narrowband imaging technique in the clinical diagnosis of bronchogenic carcinoma |
| LI Xunji1 SHAO Yu2 CAO Kaixi2 WANG Lan3 |
1. Department of Respiratory Medicine, Third People′s Hospital of Jiujiang City, Jiangxi Province, Jiujiang 332000,China;
2. Department of Respiratory Medicine, Duchang TCM Hospital, Jiangxi Province, Jiujiang 332600, China;
3. Department of Endoscopy, Third People′s Hospital of Jiujiang City, Jiangxi Province, Jiujiang 332000, China |
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Abstract Objective To explore the clinical application of bronchoscopy narrowband imaging technique in the diagnosis of patients with bronchogenic carcinoma. Methods A total of 110 patients with suspected central lung cancer complicated with incomplete airway obstruction admitted to the Department of Respiratory Medicine, Third People′s Hospital of Jiujiang City were retrospectively selected as the research subjects between January 2020 and February 2021. All patients were examined by bronchoscopy and narrowband imaging analysis, and biopsy was taken as the gold standard to compare the diagnostic efficacy of the two examination methods on bronchogenic carcinoma. Results Among 110 suspected lung cancer patients, 87 cases of central lung cancer were diagnosed by pathological biopsy. The sensitivity,specificity, accuracy, positive predictive value, negative predictive value and Kappa value of narrowband imaging were 91.95%, 86.96%, 90.91%, 96.39%, 74.07%, and 0.742, which were in good consistency with the gold standard. Among 87 cases of patients with lung cancer, narrowband imaging showed there were 28 cases of vascular cord distortion(mainly squamous cell carcinoma [21.84%]), 27 cases of vascular punctate distribution (mainly adenocarcinoma[20.69%]) and 32 cases of sudden vascular interruption (mainly squamous cell carcinoma [22.99%]). Conclusion Bronchoscopy narrowband imaging endoscopy has a good inspection efficiency in the examination of bronchogenic carcinoma. Compared with light microscopy, it has higher sensitivity and specificity, and can effectively locate the diseased area and examine its tissue and blood vessels to improve the clinical diagnostic efficiency.
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