22 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
(COP), chronic ... and UIP. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Central #Peripheral #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Filling of the alveolar ... interstitium or alveolar ... resolution of the HRCT ... bronchiolitis #Diagnosis #Radiology ... #Differential #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
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Broncho-alveolar ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
differentiate between acute ... (OP) or chronic ... #Diagnosis #Radiology ... Consolidation #Acute ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... morphologic findings on HRCT ... , OP and LIP have ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... Notice the air-bronchogram ... This was an acute ... #Clinical #Radiology ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Interstitial Edema, Alveolar ... , COP, Chronic Eos ... Crazy Paving: Alveolar ... Sarcoidosis, NSIP, COP ... Diagnosis #pulmonary #radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
content of the alveoli ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
NSIP - Organizing pneumonia ... (COP/BOOP) - Infection ... failure, ARDS, AIP ... ) #Clinical #Radiology ... AlveolarProteinosis #RadiologyAssistant