Comparison between endobronchial ultrasound-guided transbronchial needle aspiration and 18F-fluorodeoxyglucose positron emission tomography in the diagnosis of postoperative nodal recurrence in patients with lung cancer

Takayoshi Yamamoto, Yuichi Sakairi, Takahiro Nakajima, Hidemi Suzuki, Tetsuzo Tagawa, Takekazu Iwata, Teruaki Mizobuchi, Shigetoshi Yoshida, Yukio Nakatani, Ichiro Yoshino

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OBJECTIVES: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has a high diagnostic value for preoperative mediastinal staging in patients with lung cancer. In this study, the utility of EBUS-TBNA for the pathological diagnosis of postoperative lymph node recurrence was investigated and compared with that of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET). METHODS: Patients who received both EBUS-TBNA and FDG-PET for the diagnosis of postoperative lymph node recurrence were retrospectively investigated. They underwent routine chest computed tomography (CT) follow-up after thoracotomy, and when hilar or mediastinal lymph nodes showed enlargement on CT compared with the previous chest CT, they were referred for FDG-PET and EBUS-TBNA. We compared the diagnostic performance of these two modalities. In addition, pathological findings of the biopsied sample were evaluated precisely and compared with the results of FDG-PET. Positivity for hypermetabolism on FDG-PET was defined as a standardized uptake value (SUV) greater than 2.5. RESULTS: A total of 40 patients were retrospectively reviewed. The sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of EBUS-TBNA were 100% for each parameter, whereas those of FDG-PET were 95.8, 12.5, 62.2, 66.7 and 62.5%, respectively. The SUV of true-positive nodes was significantly higher than that of false-positive nodes (P = 0.001). Twenty-two of 24 patients who were confirmed for recurrence by EBUS-TBNA underwent anticancer treatment. The pathological diagnoses of 14 false-positive cases by FDG-PET were chronic inflammation in 12 and non-specific granuloma in 2. CONCLUSIONS: The diagnostic yield of EBUS-TBNA is higher than that of FDG-PET when postoperative lymph node recurrence is suspected.

元の言語英語
ページ(範囲)234-238
ページ数5
ジャーナルEuropean Journal of Cardio-thoracic Surgery
47
発行部数2
DOI
出版物ステータス出版済み - 9 7 2014
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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