25 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Pneumonia - Diagnosis ... Anti-dsDNA, ANCA COP ... #Pneumonia #COP ... #ILD #diagnosis
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia ... RheumatoidArthritis #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... #Pulmonary #CXR
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... ), Cryptogenic organizing ... pneumonia (COP) ... #diagnosis #differential ... #pulmonary #causes
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in cryptogenic organizing ... pneumonia (COP) ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia ... #ILD #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... consolidations of OP ... carcinoma, the diagnosis ... #COP #Cryptogenic ... #Organizing #Pneumonia
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
OP: organizing pneumonia ... ConnectiveTissueDiseases #ILD ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table #Pulmonary
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... ; OP, organising ... ; PZ, pulmonary ... #Diagnosis #Pulmonary
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
diagnosis. ... diseases like organizing ... pneumonia (OP) ... proteinaceous material ... #Pulmonary #CXR