7 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
pattern 1. ... (LAM): uniform cysts ... bizarre shaped cysts ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
pattern (2) 1. ... multiple thick walled cysts ... (LAM): regular cysts ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... pattern can be ... Pulmonary #CTChest #LowAttenuation ... TractionBronchiectasis #Cysts
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
of Diffuse Cystic ... Round, smooth cysts ... - PLCH Round cysts ... associated ground glass attenuation ... pattern not consistent
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... , high and low attenuation ... the most common pattern ... The cystic pattern ... When the cysts have
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Honeycombing - See Low Attenuation ... Antitripsyn Def • Cysts ... Infection, Aspiration, Cystic ... HighRes #Chest #CT #Patterns
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 ... reticular nodular high attenuation ... consolidation) low attenuation ... (emphysema, cystic ... Interpretation #Algorithm