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

There are multiple small bilateral peripheral consolidations.
The
this was also organizing ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing ... #Pneumonia #ILD
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
the diagnosis of cryptogenic ... organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing ... #Pneumonia #ILD
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... , cryptogenic organising ... Diagnosis #Pulmonary #Radiology ... #Algorithm
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
dealing with the differential ... the diagnosis of organizing ... pneumonia (OP) ... #Clinical #Radiology ... #Distribution #Organizing