30 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... (COP), chronic ... eosinophilic pneumonia ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... COP. ... #Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
the pattern of distribution ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
chronic eosinophilic pneumonia ... Like in COP we see ... in a subpleural distribution ... #Clinical #Radiology ... EosinophilicPneumonia #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
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... cysts, evenly distribution ... Clinical #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
is a peripheral distribution ... (OP) also known ... #Clinical #Radiology ... CXR #Peripheral #Distribution ... OrganizingPneumonia #BOOP #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... called a Batwing distribution ... it is seen in pneumonias ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... #Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... consolidation #Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant