7806 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... CT • Variable attenuation ... .2016.12.033 #Mosaic #Attenuation ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
normal and high attenuation ... Sign #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... with ground glass attenuation ... Cardiogenic pulmonary ... #Clinical #Radiology ... #Pulmonary #CTChest
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... : ground glass attenuation ... Cardiogenic pulmonary ... #Clinical #Radiology
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... abnormally low attenuation ... Pulmonary vessels ... #Clinical #Radiology
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
bronchiolitis or chronic pulmonary ... right with the pulmonary ... penicillamine) #Clinical ... MosaicAttenuation #Mosaic #Attenuation
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
of ground-glass atenuation ... and areas of low attenuation ... nodules of increased attenuation ... #Clinical #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
decreased lung attenuation ... diseases with a low attenuation ... Diagnosis #Radiology #Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Honeycombing - See Low Attenuation ... Bronchopneumonia High Attenuation ... Water, Tumor Low Attenuation ... Honeycombing: Idiopathic Pulmonary ... Differential #Diagnosis #pulmonary
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
Lung Signs in Pulmonary ... Page Summary of Pulmonary ... sign - Mosaic attenuation ... #Lung #Signs #Pulmonary