114 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... - Emphysema - Lung ... Radiology #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... densities iin the left lung ... cavitation in the right lung ... Radiology #CXR #CTChest ... SepticEmboli #Cavity #RadiologyAssistant
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
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Main Lung Ultrasound ... defined spared areas ... more deaerated areas ... COVID19 #POCUS #Lung ... #Ultrasound #Comparison
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Lung Ultrasound: ... AIS > 3 B-lines/ lung ... Areas of sparing ... Lung "Pulse" • ... pulmonary #edema #comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Radiology #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... examine all the areas ... where the lung ... ParatrachealStripe #RadiologyAssistant ... ParaAorticLine #PAView #RadiologyAssistant