33 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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basis of HRCT findings ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... identified in the lung ... #Pulmonary #CTChest ... #TreeInBud #Diagram ... #RadiologyAssistant
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
No pathological findings ... involvement, with “white lung ... structures help in the differential ... oedema due to heart ... #Clinical #Radiology
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... edema, both cardiogenic ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Is it pus, edema ... UIP, NSIP and long ... #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... edema - filling ... nodular interstitial lung ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... in interstitial lung ... #Pulmonary #CXR ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... or interstitial lung ... #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... edema: bilateral ... edema. ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant