22 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... Pneumonias: • ... Idiopathic pulmonary fibrosis ... lung disease (RB-ILD ... #differential #
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
multilayered thick-walled cysts ... bronchiectasis due to fibrosis ... lymphadenopathy #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... Pneumonia • (UIP ... Pneumonia - fibrosis ... Chronic Radiation Pneumonitis ... #ILD #Causes #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
. fibrosis). ... Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... combinations of fibrosis ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... thick walls of the cysts ... #Clinical #Radiology ... #CXR #CTChest # ... #Usual #Interstitial
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... is seen in: - UIP ... #Table #Distribution
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Hypersensitivity Pneumonitis ... Antitripsyn Def • Cysts ... Diagnosis #pulmonary #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... before the typical cysts ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table