Table. 1—

Classification of the idiopathic interstitial pneumonias(IIPs)

Clinicopathological diagnosisHistological patterns
IPFIPF/cryptogenic fibrosing alveolitisUsual interstitial pneumonia
Non-IPF IIPsNonspecific interstitial pneumonia (provisional)Nonspecific interstitial pneumonia
Cryptogenic organising pneumoniaOrganising pneumonia
Acute interstitial pneumoniaDiffuse alveolar damage
Respiratory bronchiolitis interstitial lung diseaseRespiratory bronchiolitis
Desquamative interstitial pneumoniaDesquamative interstitial pneumonia
Lymphoid interstitial pneumoniaLymphoid interstitial pneumonia
  • IPF: idiopathic pulmonary fibrosis. Modified from [2] with permission from the publisher.