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Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... called cryptogenic (COP ... The old name is ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... also organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... #ILD #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Diffuse consolidation in bronchopneumonia
Here another case of diffuse consolidation.
This patient had fever and cough.
This was thought
to multifocal ill-defined ... Bronchopneumonia can be caused ... #Clinical #Radiology ... #CXR #Pneumonia ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... of organizing pneumonia ... (OP) also known ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... characterized by diffuse ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Acute toxicity (e.g ... • Patchy or diffuse ... Exclude other causes ... Exclusion of other ILDs ... LDH • ↑ ESR, CRP
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
left a typical case ... to widespread areas ... Panlobular emphysema is diffuse ... the other hand, mild ... PanlobularEmphysema #RadiologyAssistant