6 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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attenuation or ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... 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
Mosaic attenuation ... areas. ... There are patchy areas ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
distinct radiographic areas ... normal and high attenuation ... Cheese #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
to widespread areas ... abnormally low attenuation ... Pulmonary vessels ... #Clinical #Radiology ... #CTChest #Panlobular
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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right with the pulmonary ... penicillamine) #Clinical #Radiology ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant