9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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attenuation or ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... areas without walls ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
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Main Lung Ultrasound ... differences between COVID ... #COVID19 #POCUS ... #Lung #Ultrasound ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... areas without walls ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... with peripheral areas ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
areas. ... There are patchy areas ... Radiology #Pulmonary #CTChest ... #Differential # ... RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... , high and low attenuation ... (table). ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... with ground glass attenuation ... Radiology #Pulmonary #CTChest ... #Comparison #Table ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
attenuation, that ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant