1709 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... attenuation or air-filled ... - Emphysema - Lung ... Emphysema #SignetRing #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... There is a lung ... with a cystic lung ... LAM is a rare lung ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Diffuse consolidation in bronchoalveolar carcinoma
The chest x-ray shows diffuse consolidation with 'white out' of the left
out' of the left lung ... with an air-bronchogram ... consolidation in the left lung ... spread to the right lung ... #Bronchogram #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... tissue of the lung ... a part of the lung ... the amount of air ... Consolidation #Patterns #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
opacity due to lung ... bronchiolitis with air ... #GroundGlass #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
and non-affected lung ... black and white lung ... with air-trapping ... Hyperperfused lung ... #Differential #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
abutting the pleura, air-bronchograms ... densities iin the left lung ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
Notice the air-fluid ... There is a lung ... with a cystic lung ... LAM is a rare lung ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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expiratory scans for air ... in the 'black' lung ... to the 'white' lung ... bronchiolitis with air ... Attenuation #Comparison #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
the result of air ... or interstitial lung ... #Differential #RadiologyAssistant