17 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
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... with peripheral areas ... presenting as areas ... #HRCT #CTChest ... HighAttenuation #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
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
Bronchopneumonia Consolidation Pattern on Chest X-Ray

Patchy areas of consolidation that may be initially limited to one
Consolidation Pattern ... on Chest X-Ray ... Patchy areas of ... Consolidation #Pattern ... #clinical #radiology
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern
Lymphangitis carcinomatosis also produces a reticular pattern.
It is best appreciated on HRCT-images. #Clinical #Radiology #CTChest #Lymphangitic
produces a reticular pattern ... It is best appreciated ... on HRCT-images. ... #Clinical #Radiology ... #CTChest #Lymphangitic
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
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 ... low attenuation (emphysema ... #CTChest #Interpretation ... #Algorithm #ILD