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
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... bronchiolitis (RB-ILD ... #Upper #Lower #RadiologyAssistant
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
Empyema on POCUS

89-year-old male with fever and dyspnea. Lung ultrasound reveals what chest x-ray hides -
Empyema on POCUS ... 89-year-old ... Lung ultrasound ... reveals what chest ... CasasolaGarcia #Empyema
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
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
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
history of severe emphysema ... Subcutaneous emphysema ... any soft tissue emphysema ... with subcutaneous emphysema ... #Subcutaneous #Emphysema
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... Radiology #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant