54 results
Causes of Pleural Effusions
#Diagnosis #Pulmonary #PleuralEffusions #Differential #Table #Transudative #Exudative
Diagnosis #Pulmonary #PleuralEffusions ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... Pattern #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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These include: - Emphysema ... TractionBronchiectasis #Cysts #Emphysema ... #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Centrilobular emphysema ... Differential #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Pattern #Comparison #Table ... #RadiologyAssistant
Posterior L chest scan…same patient. Explains all! Massive L effusion, empyema. Drained and later discharged from
Massive L effusion, empyema ... Lung #Massive #Empyema ... #PleuralEffusion
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
listed in the table ... #Differential #RadiologyAssistant
In the hospital: minimal improvement with abx for CAP. Lung US to the rescue. Diagnostic thora;
#POCUS #Lung #Empyema ... #PleuralEffusion
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Differential #Table ... Central #Peripheral #RadiologyAssistant