18 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... organizing pneumonia ... (COP), chronic ... and UIP. ... Central #Peripheral #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
of organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia ... RheumatoidArthritis #ILD #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... pneumonia (COP) ... COP. ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... idiopathic or cryptogenic ... , OP and LIP have ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... (NSIP), Cryptogenic ... (COP), Respiratory ... pneumonia (AIP) ... differential #pulmonary #causes
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... also organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #ILD #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #ILD #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... OP is organizing ... idiopathic it is called cryptogenic ... (COP). ... Differential #Table #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... (COP). ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... OrganizingPneumonia #RadiologyAssistant
Drug-induced organizing pneumonia is commonly caused by Bleomycin and Cyclophosphamide and other drugs like Methotrexate, Amiodarone,
is commonly caused ... the same as in cryptogenic ... organizing pneumonia ... Clinical #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant