Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 β€’ Hypersensitivity pneumonitis, Farmer's lung, Bird
Pneumonias: β€’ ... pneumonia (NSIP ... ), Cryptogenic organizing ... pneumonia (COP) ... pneumonia (DIP)
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... pneumonia. ... Clinical #Radiology #CTChest ... #Cryptogenic #Organizing ... #ILD #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
pneumonia. ... pneumonia. ... OP: organizing pneumonia ... pneumonia. ... ConnectiveTissueDiseases #ILD
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Cryptogenic organizing ... pneumonia (COP) ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
this was also organizing ... pneumonia, but ... Clinical #Radiology #CTChest ... #Pneumonia #ILD ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Other examples are organizing ... OP is organizing ... The old name is ... Bronchiolitis Obliterans Organizing ... Differential #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... pneumonias (IIPs ... Radiology #Pulmonary #CTChest ... #ILD #Findings ... #RadiologyAssistant
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 ... opacities - Fine Nodular ... interstitial opacities ... Consolidation #Patterns #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... the diagnosis of organizing ... pneumonia (OP) ... #Distribution #Organizing ... #BOOP #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
of cryptogenic organizing ... pneumonia was made ... Clinical #Radiology #CTChest ... #Pneumonia #ILD ... #RadiologyAssistant