5 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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#Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram ... #Comparison #Honeycombing ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
with ground glass attenuation ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
: ground glass attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
abnormally low attenuation ... Pulmonary vessels ... #Clinical #Radiology ... #CTChest #Panlobular ... PanlobularEmphysema #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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right with the pulmonary ... penicillamine) #Clinical #Radiology ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant