21 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... decreased lung attenuation ... pattern can be ... on the basis of HRCT ... Pulmonary #CTChest #LowAttenuation
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... pattern 1. ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Cystic #Pattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... pattern (2) 1. ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Cystic #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... , high and low attenuation ... and what kind of pattern ... the most common pattern ... The cystic pattern
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... and areas of low attenuation ... The HRCT shows a ... mosaic pattern ... nodules of increased attenuation
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation ... pattern (2) 1. ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... pattern 1. ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern
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 ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
• Enduring pattern ... control • The pattern ... situations • The pattern ... functioning • The pattern ... adolescence • The pattern
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... consolidation) low attenuation ... Radiology #Pulmonary #HRCT ... Interpretation #Algorithm