Table 2. Final diagnosis.
| Diagnostic groups | Disease | BAL (n=39) | TLCB (n=54) | Total | |||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||
| Benign Infectious | Mycobacterium tuberculosis | 12/12 | 100 | 16/16 | 100 | 16 | 51.9 | ||
| Pneumocystis jirovecii | 3/5 | 60 | 5/5 | 100 | 5 | ||||
| Streptococcus pneumoniae | 1/1 | 100 | 1/1 | 100 | 1 | ||||
| Aspergillus flavus | 1/1 | 100 | 0/1 | – | 1 | ||||
| Staphylococcus aureus | 0/1 | – | 1/1 | 100 | 1 | ||||
| Klebsiella pneumoniae | 0/1 | – | 1/1 | 100 | 1 | ||||
| Mycobacterium avium complex | 1/1 | 100 | 1/1 | 100 | 1 | ||||
| Moraxella catarrhalis | 1/1 | 100 | 1/1 | 100 | 1 | ||||
| Paracoccidioides brasilensis | 1/1 | 100 | 0/1 | – | 1 | ||||
| Benign, non-infectious | Pneumonia | 0/6 | – | 6/6 | 100 | 6 | 24.1 | ||
| Anthracosis | 0/2 | – | 3/3 | 100 | 3 | ||||
| Granulomatous disease | 0/1 | – | 2/2 | 100 | 2 | ||||
| Interstitial lung disease | 0/1 | – | 1/1 | 100 | 1 | ||||
| Calcified nodules | 0/1 | – | 1/1 | 100 | 1 | ||||
| Malignant | Adenocarcinoma | 0/1 | – | 6/6 | 100 | 6 | 14.8 | ||
| Melanoma | – | – | 1/1 | 100 | 1 | ||||
| Poorly differentiated carcinoma | – | – | 1/1 | 100 | 1 | ||||
| No diagnostics* | 0/3 | – | 0/5 | – | 5 | 9.3 | |||
| Diagnostic yield | 20/39 | 51.3 | 47/54 | 87.0 | 49/54 | 90.7 | |||
*, three patients had diagnosis by surgical biopsy, biopsy guided by ultrasound and cervical biopsy, respectively (carcinoma, metastasic adenocarcinoma and linfoma Hodking). BAL, bronchoalveolar lavage; TLCB, transbronchial lung cryobiopsy.