16 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... mass - Solitary Pulmonary ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Bronchopneumonia Consolidation Pattern on Chest X-Ray

Patchy areas of consolidation that may be initially limited to one
Consolidation Pattern ... X-Ray Patchy areas ... to one or more pulmonary ... Consolidation #Pattern ... #Chest #XRay #CXR
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... with areas of ground-glass ... atenuation and areas ... The HRCT shows a ... mosaic pattern
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
- Patterns of Involvement ... Innumerable, bilateral, diffusely ... Loculated effusion or empyema ... Tuberculosis #TB #Patterns ... #CXR
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 ... #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... and some mosaic pattern ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... low attenuation (emphysema ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... The old name is ... #Diagnosis #Radiology ... #Pulmonary #CXR