9 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... with peripheral areas ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
pattern 1. ... areas without walls ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... areas without walls ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Comparison #Table
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
with areas of ground-glass ... areas of low attenuation ... The HRCT shows a ... mosaic pattern ... Radiology #CXR #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... , high and low attenuation ... (table). ... On a Chest X-Ray ... Diagnosis #Radiology #Pulmonary
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... : ground glass attenuation ... #CTChest #Reticular ... #Table #RadiologyAssistant
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 ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
Differential Diagnosis Algorithm ... the following areas ... impairment in important areas ... is stable and of ... • Histrionic - attention-seeking
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
to widespread areas ... abnormally low attenuation ... Pulmonary vessels ... difficult to detect on HRCT ... Clinical #Radiology #CTChest