11 results
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... The term 'mosaic ... with air-trapping ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... Variable attenuation ... .2016.12.033 #Mosaic ... #Lung #Pulmonary ... #diagnosis #radiology
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Signs - Air Crescent ... Galaxy sign - Mosaic ... attenuation - ... #differential #radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or ... air-filled lesions ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
replacing the air ... Is it pus, edema ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... DDx: pna, pulm edema ... .2016.12.033 #Air ... #Pulmonary #diagnosis ... #radiology #clinical
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
expiratory scan: the mosaic ... scan, indicating air ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
expiratory scans for air ... right with the pulmonary ... bronchiolitis with air ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... the result of air ... or interstitial lung ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
thickening, presence of air-fluid ... in the adjacent lung ... hypertension • Mosaic ... attenuation • ... of the affected lung