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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 ... #Differential # ... RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... Chronic diseases ... Cells - tumor, chronic ... #Table #RadiologyAssistant
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Idiopathic Interstitial Pneumonias ... pneumonia: Acute, Chronic ... #diagnosis #differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
Lobar consolidation ... The table lists ... the differential ... #Differential # ... RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... Chronic eosinophilic ... glass opacity and consolidation ... Pattern #Comparison #Table ... #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses The differential ... listed in the table ... is difficult to differentiate ... multifocal consolidations ... #RadiologyAssistant
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Allergic, Post-infectious ... , Pneumonitis, ACEi ... Autoimmune Vasculitis, ILD ... Schema #Acute #Chronic ... #Differential #
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
distribution of consolidation ... it is seen in pneumonias ... frequently seen in chronic ... #CXR #Batwing #Differential ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... Sarcoidosis end-stage: consolidation ... Pattern #Comparison #Table ... #RadiologyAssistant