Idiopathic Interstitial Pneumonias: A Radiology-Pathology Correlation Based on the Revised 2013 American Thoracic Society-European Respiratory Society Classification System

The idiopathic interstitial pneumonias (IIPs) are a group of diffuse lung diseases that share many similar radiologic and pathologic features. According to the revised 2013 American Thoracic Society-European Respiratory Society classification system, these entities are now divided into major IIPs (i...

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Bibliographic Details
Published in:Current problems in diagnostic radiology 2015-01, Vol.44 (1), p.15-25
Main Authors: Kadoch, Michael A., MD, Cham, Matthew D., MD, Beasley, Mary B., MD, Ward, Thomas J., MD, Jacobi, Adam H., MD, Eber, Corey D., MD, Padilla, Maria L., MD
Format: Article
Language:English
Subjects:
Consensus Development Conferences as Topic
Diagnosis, Differential
Humans
Idiopathic Interstitial Pneumonias - classification
Internal Medicine
Practice Guidelines as Topic
Prognosis
Radiology
Radiology - trends
Tomography, X-Ray Computed - trends
United States
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Summary:The idiopathic interstitial pneumonias (IIPs) are a group of diffuse lung diseases that share many similar radiologic and pathologic features. According to the revised 2013 American Thoracic Society-European Respiratory Society classification system, these entities are now divided into major IIPs (idiopathic pulmonary fibrosis, idiopathic nonspecific interstitial pneumonia, respiratory bronchiolitis–associated interstitial lung disease, desquamative interstitial pneumonia, cryptogenic organizing pneumonia, and acute interstitial pneumonia), rare IIPs (idiopathic lymphoid interstitial pneumonia, idiopathic pleuroparenchymal fibroelastosis), and unclassifiable idiopathic interstitial pneumonias. Some of the encountered radiologic and histologic patterns can also be seen in the setting of other disorders, which makes them a diagnostic challenge. As such, the accurate classification of IIPs remains complex and is best approached through a collaboration among clinicians, radiologists, and pathologists, as the treatment and prognosis of these conditions vary greatly.
ISSN:0363-0188
1535-6302
DOI:10.1067/j.cpradiol.2014.07.005