29 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... consolidation #Clinical ... #Radiology #HRCT ... #CTChest #HighAttenuation ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... 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 ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... shows a mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest # ... Chronic #Fibrosis #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... (arrow) in the areas ... #Clinical #Radiology ... #CTChest #GGO # ... Thromboembolism #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
the chest x-ray ... In many cases a ... #Clinical #Radiology ... #Interstitial #Pattern ... #RadiologyAssistant
On the left two cases of NSIP.
Note the varying combination of GGO and fibrosis (traction bronchiectasis),
On the left two cases ... combination of GGO ... #Clinical #Radiology ... #CTChest #NSIP ... NonspecificInterstitialPneumonia #ILD #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
a patient with GGO ... This case is one ... #Clinical #Radiology ... #CTChest #NSIP ... #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
the ground-glass pattern ... with GGO, one without ... #Clinical #Radiology ... #CTChest #GroundGlass ... #GGO #RadiologyAssistant