Table 2.
Diagnostic method and final diagnosis
| n | % | |
|---|---|---|
| Final diagnostic method | ||
| Bronchoscopy | 53 | 25.6% |
| Guided transbronchial biopsy | 8 | 3.9% |
| Lymph node biopsy with EBUS | 6 | 2.9% |
| Transthoracic fine-needle aspiration biopsy | 94 | 45.4% |
| Sampling from distant metastasis | 8 | 3.9% |
| Mediastinoscopy | 3 | 1.4% |
| Thoracoscopy | 35 | 16.9% |
| Pathology | ||
| NSCLC† | 185 | 89.4% |
| Others‡ | 22 | 10.6% |
| Stage | ||
| Limited§ | 129 | 62.3% |
| Extensive¶ | 78 | 37.7% |
†
Adenocarcinoma (n = 142), squamous cell carcinoma (SCLC, n = 28), and non-small cell lung carcinoma (NSCLC) not otherwise specified (n = 15).
‡
Small cell lung carcinoma (n = 10), carcinoid tumor (n = 9), sarcomatoid carcinoma (n = 1), fusiform cell sarcoma (n = 1), mucinous cystadenocarcinoma (n = 1).
§
Limited SCLC and stages 1a, 1b, 2a, 2b NSCLC.
¶
Extensive SCLC and stages 3a, 3b, 4 NSCLC. EBUS, endobronchial ultrasound.