15 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... The HRCT shows a ... #Clinical #Radiology ... #HypersensitivityPneumonitis ... #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... Sarcoidosis end-stage: consolidation ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... and chronic consolidation ... - Chronic post-infection ... #Diagnosis #Radiology ... RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential ... are confluent, HRCT ... MosaicAttenuation #Mosaic #HypersenstitivityPneumonitis ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to look at the pattern ... more than one pattern ... #Diagnosis #Radiology ... #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Hypersensitivity Pneumonitis ... show very similar HRCT ... #HypersensitivityPneumonitis ... Fibrosis #Mimic #ILD #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential ... Hypersensitivity Pneumonitis ... Hemorrhage, Edema • Consolidation ... #Differential #
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
acute cardiac infarction ... heart due to a chronic ... #Diagnosis #Radiology ... #Differential # ... RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
it is seen in pneumonias ... frequently seen in chronic ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant