Skip to main content
. 2011 Jun 9;140(6):1557–1566. doi: 10.1378/chest.10-2914

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.