Table 2.

Specific clinico-pathologic diagnosis obtained from 31 patients

Diagnosis	No. of patients
Idiopathic interstitial pneumonia	15
Acute interstitial pneumonia	8
Cyptogenic organizing pneumonia	3
Acute exacerbation of usual interstitial pneumonia	3
Nonspecific interstitial pneumonia group 3	1
Secondary interstitial pneumonia	2
Non-tuberculous mycobacterium-associated BOOP	1
Dermatomyositis-associated acute pneumonitis	1
Viral pneumonia	4
Cytomegalovirus pneumonia	2
Adenovirus pneumonia	2
Miliary tuberculosis	2
Chemotherapy drug toxicity	2
Idiopathic pauci-immune pulmonary capillaritis	2
Diffuse panbronchiolitis	1
Cholesterol crystal embolism	1
Acute necrotizing pneumonia	1
Metastatic cancer	1

BOOP, bronchiolitis obliterans organizing pneumonia.