59 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
the air in the alveoli ... Even fibrosis as ... Diagnosis #Radiology #Pulmonary ... Consolidation #Differential ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... #Clinical #Radiology ... Carcinomatosis #Mimic #Differential ... Comparison #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... will limit the differential ... filling of the alveoli ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Interstitial Edema, Alveolar ... Crazy Paving: Alveolar ... #CT #Patterns #Differential ... #Diagnosis #pulmonary
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... fibrosis. ... white lung” due to alveolar ... alveolar syndrome ... #Clinical #Diagnosis
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
end-stage with massive fibrosis ... Broncho-alveolar ... consolidation #Clinical ... Comparison #Table #RadiologyAssistant
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
traction-bronchiectasis due to the fibrosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
who had a CT to rule ... out pulmonary embolism ... was cardiogenic pulmonary ... #Clinical #Radiology ... SeptalThickening #CHF #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Fibrosis, Interstitial ... #AA #Gradient #alveolar ... #arterial #pulmonary ... Hypoxia #hypoxemia #differential