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On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
There are multiple ... also organizing pneumonia ... Clinical #Radiology #CTChest ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... there is an ill-defined ... This was an acute ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
• Hemoptysis - rare ... - No specific lab ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... #ILD #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
these patterns are ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Primary - Other (Rare ... Lymphangioleiomyomatosis (LAM ... ), • Pulmonary ... , Beomycin • Acute ... Lung #Diseases #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases are ... Other examples are ... The old name is ... Diagnosis #Radiology #Pulmonary ... Differential #Table #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
ill-defined and ... The lab-findings ... excludes eosinophilic pneumonia ... of organizing pneumonia ... OrganizingPneumonia #BOOP #RadiologyAssistant
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... Dyspnea+, Pleuritic Chest ... Effusions - Rare ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... consolidation - Multifocal ill-defined ... mass - Solitary Pulmonary ... Consolidation #Patterns #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Stable Angina • Acute ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Interstitium • ILD ... Vessels • Pulmonary