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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... organizing pneumonia ... and UIP. ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic ... - Clinical manifestations ... cough, dyspnea, fever ... - Diagnosis: ... pulmonary #ILD #diagnosis
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... PCP Mycoplasma pneumonia ... cough and some fever ... #Clinical #Radiology ... #PJP #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic or cryptogenic ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... pneumonia (COP) ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #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 ... #ILD #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
#Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing ... #Pneumonia #ILD ... #RadiologyAssistant
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
with low-grade fever ... and an abnormal chest ... #Clinical #Radiology ... #CTChest #Eosinophilic ... #RadiologyAssistant
Drug-induced organizing pneumonia is commonly caused by Bleomycin and Cyclophosphamide and other drugs like Methotrexate, Amiodarone,
the same as in cryptogenic ... organizing pneumonia ... #Clinical #Radiology ... #CTChest #DrugInduced ... OrganizingPneumonia #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
carcinoma, the diagnosis ... of cryptogenic ... #Clinical #Radiology ... #CTChest #COP # ... #RadiologyAssistant