6 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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on the basis of HRCT ... #Pulmonary #CTChest ... #LowAttenuation ... #Differential # ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
#Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
#Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... When the cysts have ... in many cases UIP ... RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Pulmonary #CTChest ... #NodularPattern ... #Differential # ... Comparison #Table ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... #Pulmonary #CTChest ... #Differential # ... RadiologyAssistant