Table 2.
Methods for tissue-based EGFR genotyping.
| Biopsy Methods | n | % |
|---|---|---|
| Endobronchial lesion (+) | 45 | 20.1 |
| Endobronchial biopsy | 29 | 12.9 |
| Endobronchial biopsy + EBUS | 15 | 6.7 |
| Negative endobronchial biopsy + PCNB | 1 | 0.4 |
| Endobronchial lesion (−) | 179 | 79.9 |
| EBUS-TBNA | 79 | 35.2 |
| CT-guided PCNB | 43 | 19.2 |
| TBLB | 22 | 9.8 |
| Surgical resection | 20 | 8.9 |
| Cytology * | 15 | 6.7 |
Endobronchial lesion (+) is defined as the existence of endobronchial nodules. Endobronchial lesion (−) is defined as the absence of endobronchial lesions. * Cytology samples (pleural effusion, 13; sputum, 2) Abbreviations: CT, computed tomography; EBUS, endobronchial ultrasonography; PCNB, percutaneous needle biopsy; TBLB, transbronchial lung biopsy; TBNA, transbronchial needle aspiration.