17 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... adenopathy and pleural effusion ... low attenuation areas ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... with peripheral areas ... consolidation #Clinical ... #Radiology #HRCT ... HighAttenuation #Pattern
Bronchopneumonia Consolidation Pattern on Chest X-Ray

Patchy areas of consolidation that may be initially limited to one
Consolidation Pattern ... X-Ray Patchy areas ... Consolidation #Pattern ... Chest #XRay #CXR #clinical ... #radiology
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 ... shows a mosaic pattern ... #Clinical #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... CTChest #Nodular #Pattern
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... cessation of smoking #Clinical ... #Radiology #CTChest ... 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 ... attenuation (emphysema, cystic ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... is a reticular patern ... recognized that this pattern ... caused by multiple cysts ... #Clinical #Radiology
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... small pleural effusions ... #Clinical #Radiology ... Organizing #Pneumonia #ILD