Table 2 Specific clinico-pathologic diagnosis obtained from 31 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