36 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... - Lung cysts (LAM ... Radiology #Pulmonary #CTChest ... TractionBronchiectasis #Cysts #Emphysema ... #SignetRing #RadiologyAssistant
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
Empyema Necessitans ... (EN) on Chest POCUS ... This is Empyema ... Because Empyema ... @nickmmark #Empyema
Paraseptal emphysema is localized near fissures and pleura and is frequently associated with bullae formation (area
Paraseptal emphysema ... formation (area of emphysema ... bullae occasionally cause ... compression of adjacent lung ... #Paraseptal #Emphysema
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
of panlobular emphysema ... Panlobular emphysema ... severe panlobular emphysema ... severe panlobular emphysema ... #Panlobular #Emphysema
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... weight loss or long ... include the list of causes ... caused by Streptcoccus ... #RadiologyAssistant
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 ... Comparison #Table #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... pneumatocele, emphysema ... since in many cases ... we describe a chest ... with a thin wall Emphysema
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Empyema Necessitans ... This is Empyema ... Because Empyema ... Empyema necessitans ... Treatment of empyema
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Centrilobular emphysema due to smoking. The periphery of the lung is spared (blue arrows). Centrilobular artery
Centrilobular emphysema ... periphery of the lung ... Clinical #Radiology #CTChest ... Centrilobular #Emphysema ... CentrilobularEmphysema #RadiologyAssistant