14 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... attenuation or air-filled ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... edema, severe ILD ... #Lung #Pulmonary ... #diagnosis #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest #
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... is a possible diagnosis ... LAM is a rare lung ... #Clinical #Radiology ... #CXR #Pneumothorax
Here are the most common examples of these four patterns on a chest x-ray (click image
interstitial opacities - Fine ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... #Chest #Radiology ... #pulmonary #CXR ... #clinical #CT
Whenever you see an area of increased density within the lung, it must be the result
or multifocal ill-defined ... parenchyma resulting in fine ... the amount of air ... #Diagnosis #Radiology ... #CXR #Consolidation
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... upright or lat ... decubitus - air ... CT Lung Abscess ... #Abscess #pulmonary
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... CT angiography. ... #photo #CXR #EmergencyMedicine
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... consolidation and GG pattern ... - No specific lab ... #ILD #diagnosis ... #management