Cases n |
Number of surgical lung biopsies performed: 849 |
Number of non-diagnostic biopsies: 2 |
Number with pathologic diagnosis of “fibrosing interstitial pneumonia: unclassifiable”: 41 |
Final multidisciplinary diagnosis n |
Unclassifiable: 19 |
Idiopathic pulmonary fibrosis: 8 |
Chronic hypersensitivity pneumonia: 5 |
Autoimmune connective tissue disease: 4 |
Smoking-related interstitial lung disease: 2 |
Infection (Mycobacterium avium): 1 |
Sarcoidosis: 1 |
Idiopathic nonspecific interstitial pneumonia: 1 |