18 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
computerised tomography; ILD ... = interstitial ... fibrosis; UIP = ... usual interstitial ... pneumonitis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... Pneumonias: • ... Idiopathic pulmonary ... fibrosis (IPF), ... pneumonia (DIP)
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Pneumonia • (UIP ... Pneumonia - fibrosis ... leaking out of pulmonary ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... #Clinical #Radiology ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... predominance: UIP ... Hypersensitivity pneumonitis ... #Pulmonary #CTChest
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... mass - Solitary Pulmonary ... Diagnosis #Clinical #Radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... is seen in: - UIP ... edema #Diagnosis #Radiology ... #ChestCT #Differential
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in UIP ... bronchiectasis due to fibrosis ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Diagnosis Framework Reticular ... Lymphangitic Carcinoma, Interstitial ... Hypersensitivity Pneumonitis ... #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... combinations of fibrosis ... findings of NSIP, UIP ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD