16 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... #Diagnosis #Radiology ... Pulmonary #CTChest #LowAttenuation ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern ... #Comparison #Table
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... the result of air ... in ground glass pattern ... bronchiolitis #Diagnosis #Radiology ... Pulmonary #CTChest #GGO
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #Diagnosis #Radiology ... NodularPattern #Nodular #Pattern
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... Innumerable, bilateral, diffusely ... empyema - Air-fluid ... Tuberculosis #TB #Patterns ... xray #clinical #radiology
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
a patient with GGO ... as dominant pattern ... of the possible patterns ... relatively uniform pattern ... #Clinical #Radiology
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... the amount of air ... #Diagnosis #Radiology ... Consolidation #Patterns
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... confluent, HRCT shows diffuse ... #Clinical #Radiology ... #CTChest #GGO #
In the images on your left you can appreciate again the spectrum of findings seen in
a very subtle GGO ... density of the air ... image also shows GGO ... fine reticular pattern ... #Clinical #Radiology