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Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration for Re-biopsy in Previously Treated Lung Cancer

Cancer Research and Treatment 2019년 51권 4호 p.1488 ~ 1499
 ( Kim Joo-Hae ) - National Cancer Center Center for Lung Cancer

 ( Kang Hyo-Jae ) - National Cancer Center Center for Lung Cancer
 ( Moon Sung-Ho ) - National Cancer Center Center for Lung Cancer
 ( Lee Jong-Mog ) - National Cancer Center Center for Lung Cancer
 ( Kim Hyae-Young ) - National Cancer Center Center for Lung Cancer
 ( Lee Geon-Kook ) - National Cancer Center Center for Lung Cancer
 ( Lee Jin-Soo ) - National Cancer Center Center for Lung Cancer
 ( Hwangbo Bin ) - National Cancer Center Center for Lung Cancer

Abstract


Purpose: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is widely used for the diagnosis and staging of lung cancer. However, evidence of its usefulness for re-biopsy in treated lung cancer, especially according to the previous treatment, is limited. We evaluated the role of EBUS-TBNA for re-biopsy and its diagnostic values in patients with different treatment histories.

Materials and Methods: We reviewed the medical records of patients who underwent EBUS-TBNA for re-biopsy of suspicious recurrent or progressive lesions between January 2006 and December 2016 at the National Cancer Center in South Korea. Patients were categorized into three groups based on the previous treatment modalities: surgery, radiation, and palliation.

Results: Among the 367 patients (surgery, n=192; radiation, n=40; palliation, n=135) who underwent EBUS-TBNA for re-biopsy, the overall sensitivity, negative predictive value (NPV), and diagnostic accuracy of EBUS-TBNA in detecting malignancy were 95.6%, 82.7%, and 96.3%, respectively. The sensitivity was lower in the radiation group (83.3%) when compared with the surgery (95.7%, p=0.042) and palliation (97.7%, p=0.012) groups. The NPV was lower in the palliation group (50.0%) than in the surgery group (88.5%, p=0.042). The sample adequacy of EBUS-TBNA specimens was lower in the radiation group (80.3%) than in the surgery (95.4%, p < 0.001) or palliation (97.8%, p < 0.001) groups. EGFR mutation analysis was feasible in 94.6% of the 92 cases, in which mutation analysis was requested. There were no major complications. Minor complications were reported in 12 patients (3.3%).

Conclusion: EBUS-TBNA showed high diagnostic values and high suitability for EGFR mutation analysis with regard to re-biopsy in patients with previously treated lung cancer. The sensitivity was lower in the radiation group and NPV was lower in the palliation group. The complication rate was low.

키워드

Lung neoplasms; Endobronchial ultrasound; Biopsy
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