13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic pneumonia ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... is interstitial lung ... The cystic pattern ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Xray and POCUS ... #CXR #Comparison ... #Clinical #Lung ... #Pulmonary #Clinical
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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison ... #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary ... Diagnosis #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... enlargement of pulmonary ... (arrow) in the areas ... Clinical #Radiology #CTChest ... Thromboembolism #RadiologyAssistant