20 results
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Organizing pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Reverse Halo Sign ... Consolidation 7. ... Organizing Pneumonia ... #CTChest #diagnosis
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Lung neoplasms ... diseases like organizing ... #Diagnosis #Radiology ... #Pulmonary #CXR
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... complete ring of consolidation ... • Infectious Causes ... Dermatomyositis, Lung ... granulomatosis, Cryptogenic organizing
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... • HRCT: patchy consolidation ... Pneumonia - Diagnosis ... #management
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... lobar pneumonia caused ... OP is organizing ... #Diagnosis #Radiology ... #Pulmonary #CXR
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... multiple ill-defined masses ... of chronic consolidation ... #Clinical #Radiology ... #CXR #Peripheral
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
The differential diagnostic ... most important diagnoses ... differentiate multifocal consolidations ... #Management #Radiology ... #Lung #Multiple
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... This was a consolidation ... to a pneumonia caused ... #CXR #Pneumonia
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR