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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Consolidation - ... - Multifocal ill-defined ... mass - Solitary Pulmonary ... #Patterns #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Consolidation is ... or tumor cells (Table ... Diagnosis #Radiology #Pulmonary ... #CTChest #Consolidation ... #Differential #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... The old name is ... Diagnosis #Radiology #Pulmonary ... #Differential #Table ... #RadiologyAssistant
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
seen when the consolidations ... Clinical #Radiology #CTChest ... CHF #Alveolar #Pulmonary ... #Edema #AlveolarEdema ... Gravity #Dependent #RadiologyAssistant
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
infarction In pulmonar ... Here we see an old ... The pulmonary embolus ... Radiology #CXR #CTChest ... PulmonaryEmbolism #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
bronchiolitis: ill ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... Differential #Comparison #Table ... #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
• Effusion • Cardiac ... Artery Disease • Stable ... Thickening/Masses Chest ... Interstitium • ILD ... Vessels • Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... IdiopathicInterstitialPneumonia #ILD ... #Findings #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 ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm #ILD ... #RadiologyAssistant
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
with perihilar consolidations ... and an enlarged cardiac ... see an enlarged cardiac ... #Edema #AlveolarEdema ... #RadiologyAssistant