11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... attenuation or ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
CT • Juxtaposition ... normal and high attenuation ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... #Chest #Radiology ... #CXR #clinical ... #CT
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
CT • Multiple ... linear branching pattern ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... In these cases comparison ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... bronchiectasis, CF ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... : ground glass attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... typical eggshell pattern ... Fibrosis #Silicosis #clinical ... #pulmonary
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