76 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... ILD caused by inhalation ... • Radiation pneumonitis ... Idiopathic pulmonary fibrosis ... differential #pulmonary #causes
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... Fibrosis and parenchymal ... shows a mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest #
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... acute reticular pattern ... The other cause ... #Clinical #Radiology ... #CXR #Acute #Interstitial
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... #Clinical #Radiology ... CTChest #Nodular #Pattern
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... specific interstitial pneumonitis ... result of massive fibrosis ... #Clinical #Radiology ... HighAttenuation #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
Silicosis is a fibrotic ... lung disease caused ... typical eggshell pattern ... #Silicosis #clinical ... #radiology #CXR
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
pembrolizumab) -Pneumonitis ... There are case reports ... associated with a clinical ... #Clinical #Diagnosis ... PulmonaryComplications #Patterns
A 22 year old female with cystic fibrosis presents to you complaining of increasing shortness of
A 22 year old female ... with cystic fibrosis ... #Clinical #CXR # ... #xray #Cystic #Fibrosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Organizing Pneumonia - Clinical ... - Imaging: • CXR ... consolidation and GG pattern ... BOOP #pulmonary #ILD