Table 2.
—TBNA Diagnoses
| Diagnosis | Cases, No. (%) |
| Primary lung neoplasm | |
| Small cell lung cancer | 46 (10.3) |
| Non-small cell lung adenocarcinoma | 136 (30.4) |
| Non-small cell lung squamous cell carcinoma | 65 (14.5) |
| Non-small cell lung cancer, unspecified (undifferentiated) | 55 (12.3) |
| Carcinoid lung tumor | 12 (2.7) |
| Other | 7 (1.6) |
| Metastatic lung neoplasm | |
| Solid tumor with lung metastasis | 44 (9.8) |
| Hematologic with lung metastasis | 12 (2.7) |
| Infection | |
| Bacterial | 5 (1.1) |
| Actinomyces | 1 (0.2) |
| Aspergillus | 1 (0.2) |
| Histoplasmosis | 1 (0.2) |
| Mycobacterium avium-intracellulare | 1 (0.2) |
| Viral | 1 (0.2) |
| Other | |
| Sarcoidosisa | 55 (12.3) |
| Bronchogenic cyst | 3 (0.7) |
| Other | 2 (0.4) |
Data presented as No. (%) unless otherwise noted. See Table 1 legend for expansion of abbreviation.
a
The diagnosis of sarcoidosis required the finding of granulomatous inflammation in the appropriate clinical context. The final diagnosis was based on the decision of the attending pulmonologist.