16 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... on the basis of HRCT ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... #SignetRing #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Sarcoidosis end-stage: consolidation ... #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Pneumonia #ILD #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Lung neoplasms ... organizing pneumonia (OP ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... pneumonia the HRCT ... this #Clinical #Radiology ... #CTChest #COP # ... OrganizingPneumonia #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia (OP ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR ... #Causes #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
or an area of consolidation ... the differential diagnosis ... the surrounding lung ... #Radiology #CTChest ... #Comparison #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
(ground-glass, consolidation ... low attenuation (emphysema ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Algorithm #ILD #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... of chronic consolidation ... organizing pneumonia (OP ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant