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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 ... Lobar consolidation ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
organizing pneumonia (OP ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Organizing pneumonia (OP ... #Clinical #Diagnosis ... #Radiology #CXR ... #Lobar #Consolidation
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... of OP. ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... Neoplasm with lobar ... organizing pneumonia (OP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Transposition of Great Arteries (TGA) on Chest XRay
 - Oval Shaped Cardiac Silhouette 
 - Narrow
Arteries (TGA) on Chest ... - Oval Shaped Cardiac ... GreatArteries #TGA #CXR ... #ChestXRay #Radiology ... #Diagnosis #Clinical
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cases with chronic consolidation ... The final diagnosis ... organizing pneumonia (COP ... this #Clinical #Radiology ... #CTChest #COP #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... Hemorrhage, Edema • Consolidation ... #pulmonary #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Reverse-Halo Sign) on Chest ... circumferential denser consolidation ... • DDx: COP, IFI ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... of chronic consolidation ... organizing pneumonia (OP ... #Clinical #Radiology ... #CXR #Peripheral