9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
air-filled lesions ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... sign - Mosaic attenuation ... #Lung #Signs #Pulmonary ... Diseases #diagnosis #differential ... #radiology
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... BO, CTEPH, PJP, CEP ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... with air-trapping ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... usually contain air ... #CTChest #Cavity ... Cyst #Emphysema #Comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
lat decubitus - air ... CT Lung Abscess ... Cavitation > 6 cm ... #Abscess #pulmonary ... #differential #
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 ... CT) • Broncho-arterial ... #differential #
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 ... bronchiolitis with air ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... SpO2 88% on room air ... #Radiology #CTChest ... #Lung #Pulmonary