Thoracic cancer · 2022
Clinical utility of EBUS-TBNA of hilar, interlobar, and lobar lymph nodes in patients with primary lung cancer.
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Wi Seungbum, Kim Bo-Guen, Shin Sun Hye, Jhun Byung Woo, Yoo Hongseok, Jeong Byeong-Ho, Lee Kyungjong, Kim Hojoong, Kwon O Jung, Han Joungho, Kim Jhingook, Um Sang-Won
Аннотация
BACKGROUND: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is used to evaluate hilar/interlobar/lobar lymph nodes. This study aimed to assess the clinical utility of EBUS-TBNA for station 10/11/12 lymph nodes (LNs) in patients with primary lung cancer.
METHODS: This was a retrospective analysis of a prospectively collected database of patients with primary lung cancer who underwent EBUS-TBNA for station 10/11/12 LNs from January 2015 to December 2019. Patients with benign results from EBUS-TBNA who did not undergo surgical sampling/clinical follow-up or who received radiotherapy/chemotherapy were excluded.
RESULTS: The analyses were conducted on 889 LNs from 797 patients. The overall diagnostic sensitivity, specificity, accuracy, negative predictive value (NPV), and positive predictive value of EBUS-TBNA were 95.7, 100, 97.3, 93.2, and 100%, respectively. Diagnostic sensitivity was significantly lower for LNs <10 mm than ≥10 mm in size (90.1% vs. 97.8%; p < 0.001). There was no significant difference in diagnostic performance according to the nodal station (10 vs. 11/12) and left- versus right-sided LNs. The diagnostic sensitivity (100 vs. 95.5%; p = 0.221) and specificity (100 vs. 100%) of N3 LNs was not significantly different from those of N1 LNs. In this study, eight (8/91, 8.8%) patients with cN1 NSCLC received neoadjuvant treatment based on the results of EBUS-TBNA.
CONCLUSION: EBUS-TBNA accurately evaluates station 10/11/12 LNs of both N1 and N3 disease. The diagnostic performances of EBUS-TBNA for station 10/11/12 LNs seem to be comparable to those of EBUS-TBNA for mediastinal LNs.
METHODS: This was a retrospective analysis of a prospectively collected database of patients with primary lung cancer who underwent EBUS-TBNA for station 10/11/12 LNs from January 2015 to December 2019. Patients with benign results from EBUS-TBNA who did not undergo surgical sampling/clinical follow-up or who received radiotherapy/chemotherapy were excluded.
RESULTS: The analyses were conducted on 889 LNs from 797 patients. The overall diagnostic sensitivity, specificity, accuracy, negative predictive value (NPV), and positive predictive value of EBUS-TBNA were 95.7, 100, 97.3, 93.2, and 100%, respectively. Diagnostic sensitivity was significantly lower for LNs <10 mm than ≥10 mm in size (90.1% vs. 97.8%; p < 0.001). There was no significant difference in diagnostic performance according to the nodal station (10 vs. 11/12) and left- versus right-sided LNs. The diagnostic sensitivity (100 vs. 95.5%; p = 0.221) and specificity (100 vs. 100%) of N3 LNs was not significantly different from those of N1 LNs. In this study, eight (8/91, 8.8%) patients with cN1 NSCLC received neoadjuvant treatment based on the results of EBUS-TBNA.
CONCLUSION: EBUS-TBNA accurately evaluates station 10/11/12 LNs of both N1 and N3 disease. The diagnostic performances of EBUS-TBNA for station 10/11/12 LNs seem to be comparable to those of EBUS-TBNA for mediastinal LNs.