11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
areas. ... There are patchy areas ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #
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
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... , high and low attenuation ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... with ground glass attenuation ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Comparison #Table
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... we describe a chest ... #CXR #Lucency #Differential ... #Pulmonary #Diagnosis ... #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... Cyst #Emphysema #Comparison
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
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
attenuation, that ... mid and lower lung ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
right with the pulmonary ... penicillamine) #Clinical #Radiology ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant