Department of Internal Medicine, Zealand University Hospital, Roskilde, Denmark.
Department of Respiratory Medicine, Næstved Hospital, Næstved, Denmark.
Respiration. 2019;97(4):277-283. doi: 10.1159/000492578. Epub 2018 Sep 25.
BACKGROUND: Diagnosing centrally located lung tumors without endobronchial abnormalities and not located near the major airways is a diagnostic challenge. Tumors near or adjacent to the esophagus can be aspirated and detected with esophageal ultrasound (EUS) using gastrointestinal endoscopes. OBJECTIVE: To assess the feasibility and diagnostic yield of endoscopic ultrasound with bronchoscope-guided fine needle aspiration (EUS-B-FNA) in paraesophageally located lung tumors and its added value to bronchoscopy and endobronchial ultrasound (EBUS). METHODS: Retrospective, multicenter international study (from January 1, 2015 until January 1, 2018) of patients with suspected lung cancer, undergoing bronchoscopy, EBUS, and endoscopic ultrasound bronchoscopy (EUS-B) in one session by a single operator (pulmonologist), in whom the primary lung tumor was detected and aspirated by EUS-B. In the absence of malignancy following endoscopy, transthoracic ultrasound needle aspiration, clinical and radiological follow-up of at least 6 months was performed. The yield and sensitivity of EUS-B-FNA and its added value to bronchoscopy and EBUS was assessed. RESULTS: 58 patients were identified with the following diagnosis: non-small-cell lung cancer (n = 43), small-cell lung cancer (n = 6), mesothelioma (n = 2), metastasis (n = 1), nonmalignant (n = 6). The yield and sensitivity of EUS-B-FNA for detecting lung cancer was 90%. In 26 patients (45%), the intrapulmonary tumor was exclusively detected by EUS-B. Adding EUS-B to conventional bronchoscopy and EBUS increased the diagnostic yield for diagnosing lung cancer in para-esophageally located lung tumors from 51 to 91%. No EUS-B-related complications were observed. CONCLUSION: EUS-B-FNA is a feasible and safe technique for diagnosing centrally located intrapulmonary tumors that are located near or adjacent to the esophagus. EUS-B should be considered in the same endoscopy session following nondiagnostic bronchoscopy and EBUS.
背景:诊断无支气管内异常且不靠近主要气道的中心型肺部肿瘤是一项具有挑战性的诊断任务。靠近或毗邻食管的肿瘤可以通过使用胃肠内窥镜进行食管超声(EUS)进行抽吸和检测。
目的:评估支气管镜引导下细针抽吸内镜超声(EUS-B-FNA)在食管旁肺部肿瘤中的可行性和诊断效果,以及其对支气管镜和支气管内超声(EBUS)的附加价值。
方法:这是一项回顾性、多中心国际研究(从 2015 年 1 月 1 日至 2018 年 1 月 1 日),纳入了疑似肺癌患者,由同一位操作者(肺病学家)在一次内镜检查中同时进行支气管镜检查、EBUS 和内镜超声支气管镜(EUS-B),通过 EUS-B 检测和抽吸原发性肺部肿瘤。如果内镜检查后未发现恶性肿瘤,则进行经胸超声引导下针吸活检,以及至少 6 个月的临床和影像学随访。评估了 EUS-B-FNA 的检出率和灵敏度及其对支气管镜和 EBUS 的附加价值。
结果:共确定了 58 例患者,诊断如下:非小细胞肺癌(n=43)、小细胞肺癌(n=6)、间皮瘤(n=2)、转移瘤(n=1)、非恶性肿瘤(n=6)。EUS-B-FNA 检测肺癌的检出率和灵敏度分别为 90%和 90%。在 26 例患者(45%)中,EUS-B 仅检测到肺内肿瘤。将 EUS-B 与常规支气管镜和 EBUS 联合应用,可将食管旁肺部肿瘤中诊断肺癌的诊断率从 51%提高到 91%。未观察到与 EUS-B 相关的并发症。
结论:EUS-B-FNA 是一种可行且安全的技术,可用于诊断靠近或毗邻食管的中心型肺内肿瘤。在支气管镜和 EBUS 检查结果为阴性时,应考虑在内镜检查中同时使用 EUS-B。
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