31 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... cysts (LAM, LIP ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... LAM is a rare lung ... #Clinical #Radiology ... #CXR #Pneumothorax ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... the result of air ... or interstitial lung ... #Radiology #Pulmonary ... #CTChest #GGO #
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
preference at the lung ... bases. ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... to confirm the diagnosis ... at the lung bases ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
Notice the air-fluid ... LAM is a rare lung ... #Clinical #Radiology ... #CXR #Pneumothorax ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant