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Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Pneumonia - Clinical ... , cavities • HRCT ... Pneumonia - Diagnosis ... #ILD #diagnosis
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia ... (OP) - multiple ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... was cryptogenic organizing ... pneumonia (COP) ... the HRCT findings ... #Radiology #CTChest
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... masses. ... of organizing pneumonia ... (OP) also known ... #Clinical #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
centrilobular emphysema ... show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
, organizing pneumonia ... interstitial pneumonitis, organizing ... Exclusion of other ILDs ... confirmatory findings on HRCT ... LDH • ↑ ESR, CRP
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... rare idiopathic lung ... suggestive of the diagnosis ... #Clinical #Radiology ... #CTChest #AIP #