5 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... with peripheral areas ... presenting as areas ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... areas without walls ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... areas without walls ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
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 ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
mosaic pattern with areas ... and areas of low ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic