Table 3.
Diagnostic Yields of EBUS-TBNA.
| Clinical diagnosis | Target lesions | Puncturesa (n) | 19G | 21G or 22G | |
|---|---|---|---|---|---|
| Case 1 | Retinal hemangioblastoma | #7 #11 |
2 1 |
Positiveb | Negativec |
| Case 2 | Lung squamous cell cancer | S6 | 3 | Negativec | Positiveb |
| Case 3 | Lung adenocarcinoma | #4R #7 |
1 2 |
Positiveb | Negativec |
| Case 4 | LCNEC | #4R | 2 | Positiveb | Positiveb |
| Case 5 | Lymphoma | #4R | 3 | Positiveb | - |
| Case 6 | Sarcoidosis | #7 | 2 | Positiveb | Positiveb |
| Case 7 | Sarcoidosis | #7 | 2 | Positiveb | Positiveb |
| Case 8 | Sarcoidosis | #7 | 1 | Positiveb | Positiveb |
| Case 9 | Sarcoidosis | #7 | 3 | Positiveb | - |
| Case 10 | Tuberculous lymphadenitis | #4R #7 |
2 2 |
Positiveb | Negativec |
| Case 11 | Tuberculous lymphadenitis | #7 | 1 | Negativec | Negativec |
Lymph node stations and pulmonary nodule are defined as follows: 4R, right lower paratracheal node; 7, subcarinal nodes; 11, N1 nodes; S6, segment 6. aPuncture performed with a 19G and 21G or 22G needle. bPositive pathologically. cNegative, not diagnosed pathologically.
EBUS-TBNA: endobronchial ultrasound-guided transbronchial needle aspiration, LCNEC: large-cell neuroendocrine carcinoma, 19G: 19 gauge needle, 21G or 22G: 21 or 22 gauge needle