scholarly journals Idiopathic interstitial pneumonias: review of the latest American Thoracic Society/European Respiratory Society classification

2018 ◽  
Vol 51 (5) ◽  
pp. 321-327 ◽  
Author(s):  
Daniel Simões Oliveira ◽  
José de Arimatéia Araújo Filho ◽  
Antonio Fernando Lins Paiva ◽  
Eduardo Seigo Ikari ◽  
Rodrigo Caruso Chate ◽  
...  
Keyword(s):  
Interstitial Pneumonia ◽  
American Thoracic Society ◽  
European Respiratory Society ◽  
Cryptogenic Organizing Pneumonia ◽  
Pleuroparenchymal Fibroelastosis ◽  
Idiopathic Interstitial Pneumonias ◽  
Acute Interstitial Pneumonia ◽  
Nonspecific Interstitial Pneumonia ◽  
Original Classification

Abstract The diagnosis of idiopathic interstitial pneumonias (IIPs) involves a multidisciplinary scenario in which the radiologist assumes a key role. The latest (2013) update of the IIP classification by the American Thoracic Society/European Respiratory Society proposed some important changes to the original classification of 2002. The novelties include the addition of a new disease (idiopathic pleuroparenchymal fibroelastosis) and the subdivision of the IIPs into four main groups: chronic fibrosing IIPs (idiopathic pulmonary fibrosis and nonspecific interstitial pneumonia); smoking-related IIPs (desquamative interstitial pneumonia and respiratory bronchiolitis-associated interstitial lung disease); acute or subacute IIPs (cryptogenic organizing pneumonia and acute interstitial pneumonia); rare IIPs (lymphoid interstitial pneumonia and idiopathic pleuroparenchymal fibroelastosis); and the so-called “unclassifiable” IIPs. In this study, we review the main clinical, tomographic, and pathological characteristics of each IIP.

Idiopathic Interstitial Pneumonias

Chest Imaging ◽  
2019 ◽  
pp. 449-451
Author(s):  
Sanjeev Bhalla
Keyword(s):  
Interstitial Pneumonia ◽  
Usual Interstitial Pneumonia ◽  
American Thoracic Society ◽  
European Respiratory Society ◽  
Cryptogenic Organizing Pneumonia ◽  
Idiopathic Interstitial Pneumonias ◽  
Acute Interstitial Pneumonia ◽  
Nonspecific Interstitial Pneumonia ◽  
Diffuse Lung Diseases ◽  
Diffuse Lung

The idiopathic interstitial pneumonias (IIPs) are a group of diffuse lung diseases that often manifest clinically with increasing dyspnea and hypoxemia. In the most recent revision of the American Thoracic Society/European Respiratory Society statement on IIPs, the major IIPs are divided into 3 groups: chronic fibrosing conditions (usual interstitial pneumonia and nonspecific interstitial pneumonia); smoking-related conditions (respiratory bronchiolitis and desquamative interstitial pneumonia) and acute/subacute IIPs (cryptogenic organizing pneumonia and acute interstitial pneumonia). Although some of these patterns may be seen with other conditions (e.g, NSIP with collagen vascular disease), the term IIP only refers to the idiopathic variants. Interestingly, the smoking-related conditions (RB-ILD and DIP) are included in this idiopathic grouping despite their association with cigarette use.

scholarly journals Pathology of Idiopathic Interstitial Pneumonias

2015 ◽  
Vol 9s1 ◽  
pp. CCRPM.S23320 ◽  
Author(s):  
Mikiko Hashisako ◽  
Junya Fukuoka
Keyword(s):  
Interstitial Pneumonia ◽  
American Thoracic Society ◽  
Organizing Pneumonia ◽  
European Respiratory Society ◽  
Pleuroparenchymal Fibroelastosis ◽  
Idiopathic Interstitial Pneumonias ◽  
Areas Of Concern ◽  
Histopathologic Features

The updated classification of idiopathic interstitial pneumonias (IIPs) in 2013 by American Thoracic Society/European Respiratory Society included several important revisions to the categories described in the 2002 classification. In the updated classification, lymphoid interstitial pneumonia (LIP) was moved from major to rare IIPs, pleuroparenchymal fibroelastosis (PPFE) was newly included in the rare IIPs, acute fibrinous and organizing pneumonia (AFOP) and interstitial pneumonias with a bronchiolocentric distribution are recognized as rare histologic patterns, and unclassifiable IIP (UCIP) was classified as an IIP. However, recent reports indicate the areas of concern that may require further evaluation. Here, we describe the histopathologic features of the updated IIPs and their rare histologic patterns and also point out some of the issues to be considered in this context.

scholarly journals Ultrasound in Rheumatologic Interstitial Lung Disease: A Case Report of Nonspecific Interstitial Pneumonia in Rheumatoid Arthritis

2015 ◽  
Vol 2015 ◽  
pp. 1-4
Author(s):  
A. Laria ◽  
A. Lurati ◽  
M. Scarpellini
Keyword(s):  
Rheumatoid Arthritis ◽  
Interstitial Pneumonia ◽  
Interstitial Fibrosis ◽  
Usual Interstitial Pneumonia ◽  
European Respiratory Society ◽  
Cryptogenic Organizing Pneumonia ◽  
Acute Interstitial Pneumonia ◽  
Pulmonary Interstitial Fibrosis ◽  
Nonspecific Interstitial Pneumonia ◽  
Consensus Classification

According to the American Thoracic Society (ATS)/European Respiratory Society consensus classification, idiopathic interstitial pneumonias (IIPs) include several clinic-radiologic-pathologic entities: idiopathic pulmonary fibrosis (IPF), usual interstitial pneumonia (UIP), nonspecific interstitial pneumonia (NSIP), cryptogenic organizing pneumonia, acute interstitial pneumonia, respiratory bronchiolitis-associated ILD, desquamative interstitial pneumonia, and lymphoid interstitial pneumonia. Ultrasound Lung Comets (ULCs) are an echographic chest-sonography hallmark of pulmonary interstitial fibrosis. We describe the ultrasound (US) findings in the follow-up of a NSIP’s case in rheumatoid arthritis (RA).

scholarly journals Radiological diagnosis of interstitial lung diseases

2013 ◽  
Vol 66 (suppl. 1) ◽  
pp. 29-33
Author(s):  
Ruza Stevic ◽  
Vucinic Mihailovic ◽  
Dragana Jovanovic ◽  
Nada Vasic
Keyword(s):  
Interstitial Lung Disease ◽  
Lung Disease ◽  
Interstitial Pneumonia ◽  
Lung Diseases ◽  
Usual Interstitial Pneumonia ◽  
Interstitial Lung Diseases ◽  
Ground Glass ◽  
Cryptogenic Organizing Pneumonia ◽  
Acute Interstitial Pneumonia ◽  
Nonspecific Interstitial Pneumonia

Introduction. Interstitial lung diseases include the entities of idiopathic pulmonary fibrosis, nonspecific interstitial pneumonia, cryptogenic organizing pneumonia, acute interstitial pneumonia, respiratory bronchiolitis-associated interstitial lung disease, desquamative interstitial pneumonia, and lymphocytic interstitial pneumonia. Recent introduction of high-resolution computed tomography has made the diagnosis of interstitial lung disease much easier. Usual interstitial pneumonia A predominantly subpleural reticulation and honeycombing at the basal posterior part of the lung with a progression to anterior and superior parts are characteristic of usual interstitial pneumonia/ idiopathic pulmonary fibrosis. Nonspecific interstitial pneumonia Typical findings of nonspecific interstitial pneumonia are bilateral, relatively symmetrical subpleural ground glass opacifications and irregular linear opacities. Desquamative interstitial pneumonia is characterized by diffuse symmetrical ground glass opacifications. Respiratory bronchiolitisassociated interstitial lung disease Centrilobular nodules and irregular ground glass opacifications are present. Cryptogenic organizing pneumonia Subpleural and peribronchial consolidations are prominent findings that are not present in other idiopathic interstitial pneumonias. Acute interstitial pneumonia. Bilateral ground-glass opacifications are present and areas of peripheral consolidations may also be seen in acute interstitial pneumonia. Lymphocytic interstitial pneumonia. Diffuse or patchy areas of ground glass opacification with centrilobular nodules and occasionally well-defined cysts are seen. Conclusion. Imaging plays a crucial role in identifying interstitial lung diseases but precise diagnosis requires a dynamic interdisciplinary approach that correlates clinical, radiological and pathologic features.

scholarly journals Update on Rare Idiopathic Interstitial Pneumonias and Rare Histologic Patterns

2018 ◽  
Vol 142 (9) ◽  
pp. 1069-1079 ◽  
Author(s):  
Tomonori Tanaka ◽  
Kaori Ishida
Keyword(s):  
Personal Experience ◽  
Multidisciplinary Approach ◽  
American Thoracic Society ◽  
Limited Evidence ◽  
Rare Disorders ◽  
European Respiratory Society ◽  
International Consensus ◽  
Idiopathic Interstitial Pneumonias ◽  
Consensus Classification

Context.— In 2013, the revised American Thoracic Society and European Respiratory Society classification of idiopathic interstitial pneumonias (IIPs) described 2 rare IIPs and 2 rare histologic patterns. Because of the rarity of the disease, there is limited evidence related to the histology. Because the rare histologic patterns are provisional criteria, no unanimous consensus on histologic diagnostic criteria has yet been reached. Objective.— To review the histologic features for rare IIPs and rare histologic patterns, and to provide diagnostic aids and discuss the differential diagnosis. Data Sources.— Published peer-reviewed literature and the authors' personal experience. Conclusions.— Following the publication of the international consensus classification, evidence regarding rare IIPs and rare histologic patterns has accumulated to some extent, although to date the amount remains insufficient and further evidence is required. Because the diagnosis is sometimes challenging, a multidisciplinary approach represents the gold standard in reaching an accurate diagnosis for these rare disorders.

American Thoracic Society–European Respiratory Society Classification of the Idiopathic Interstitial Pneumonias: Advances in Knowledge since 2002

Radiographics ◽  
2015 ◽  
Vol 35 (7) ◽  
pp. 1849-1871 ◽  
Author(s):  
Nicola Sverzellati ◽  
David A. Lynch ◽  
David M. Hansell ◽  
Takeshi Johkoh ◽  
Talmadge E. King ◽  
...  
Keyword(s):  
American Thoracic Society ◽  
European Respiratory Society ◽  
Idiopathic Interstitial Pneumonias
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