12 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
Patterns of disease in advanced COPD

Type A: 
Pink Puffer (Emphysema Predominant) 
Major complaint is dyspnea, often
Patterns of disease ... in advanced COPD ... Pink Puffer (Emphysema ... comfortable at rest ... #COPD #Patterns
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... shows diffuse areas ... and some mosaic pattern ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... realise, that these patterns ... , OP and LIP have ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... the following patterns ... Less frequently areas ... are seen as in emphysema ... #CXR #Lung #Patterns
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... small pleural effusions ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... There are areas ... and extensive areas ... #CTChest #AIP # ... AcuteInterstitialPneumonia #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 #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... are paraseptal emphysema ... PCP would be on top ... #Clinical #Radiology ... #CTChest #RBILD