15 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Emphysema - Lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... The pulmonary vascular ... In these cases comparison ... Redistribution #RadiologyAssistant
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... friction rub audible Lungs ... cause interstitial lung ... disease/pulmonary ... pathophysiology #signs
PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... examine all the areas ... where the lung ... the silhouette sign ... ParatrachealStripe #RadiologyAssistant
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... distinct radiographic areas ... #Head #Cheese #Sign ... #CT #Lung #Pulmonary
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... Diagnosis #Radiology #CTChest ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
enlargement of pulmonary ... (arrow) in the areas ... hyperperfused lung ... Clinical #Radiology #CTChest ... Thromboembolism #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
areas. ... There are patchy areas ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation ... #Differential #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... to widespread areas ... Pulmonary vessels ... Clinical #Radiology #CTChest ... PanlobularEmphysema #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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bronchiolitis or chronic pulmonary ... right with the pulmonary ... Clinical #Radiology #CTChest ... #Attenuation #Comparison ... #RadiologyAssistant