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Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... non-pulmonary findings ... Lobar pneumonia ... (OP) - multiple ... #Causes #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... . - Additional findings ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... #ILD #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... caused by streptococcus ... called cryptogenic (COP ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
of chronic consolidation ... This was an acute ... caused by Streptcoccus ... #Clinical #Radiology ... #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
differentiate between acute ... (OP) or chronic ... #Diagnosis #Radiology ... #Acute #Chronic ... #Differential #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
bilateral peripheral consolidations ... The findings in ... in the former case ... #CTChest #COP # ... #ILD #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... (COP). ... the HRCT findings ... this #Clinical #Radiology ... OrganizingPneumonia #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
multiple ill-defined masses ... The lab-findings ... (OP) also known ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Hypersensitivity Pneumonia ... , COP, Chronic Eos ... Sarcoidosis, NSIP, COP ... Hemorrhage, Edema • Consolidation ... Histiocytosis, Lymphocytic
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... indicates unknown cause ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #RadiologyAssistant