9 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... #Clinical #Radiology ... #CXR #CTChest # ... #Fibrosis #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
the well defined areas ... #Clinical #Radiology ... #CTChest #RBILD ... #Comparison #HypersensitivityPneumonitis ... #ILD #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
(arrow) in the areas ... caliber due to chronic ... #Clinical #Radiology ... #CTChest #GGO # ... Thromboembolism #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
non-affected lung areas ... There are patchy areas ... oligemic lung due to chronic ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
mosaic pattern with areas ... attenuation and areas ... #Clinical #Radiology ... #CTChest #Chronic ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... or fibrosis in chronic ... #Clinical #Radiology ... #CTChest #DrugInduced ... DrugRelated #Fibrosis #RadiologyAssistant