8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... #SignetRing #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 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... 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
Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #Comparison #Table ... #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
pneumatocele, emphysema ... we describe a chest ... with a thin wall Emphysema ... #CXR #Lucency #Differential ... #Table #CavitaryLesion
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... the surrounding lung ... Diagnosis #Radiology #CTChest ... #Comparison #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... centrilobular emphysema ... throughout the whole lung ... Diagnosis #Radiology #CTChest ... #UIP #Comparison